Revert of Increase the stun ping interval.

Revert of Increase the stun ping interval. (patchset #5 id:80001 of https://codereview.webrtc.org/1944003002/ )

Reason for revert:
This will take longer time for the RTT to converge.
Need to update the RTT calculation algorithm if doing this.

Original issue's description:
> Increase the stun ping interval.
>
> Writable connections are pinged at a slower rate.
> The function IsPingable will filter out the writable connections.
> The interval for slower ping rate by default is WRITABLE_CONNECTION_PING_INTERVAL(2500ms) and can be set with the configuration.
>
> BUG=webrtc:1161
>
> Committed: https://crrev.com/8f7a5aad55a64f0d81b6436a22ffbdfcdcde91e0
> Cr-Commit-Position: refs/heads/master@{#12736}

TBR=honghaiz@webrtc.org,pthatcher@webrtc.org,zhihuang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:1161
Committed: https://crrev.com/2abe42741743bd8eeaf37350acb20b4a10b7901e
Cr-Commit-Position: refs/heads/master@{#12762}

[Taylor Brandstetter, 2016-05-16 18:16:04]

Created Revert of Increase the stun ping interval.

[commit-bot: I haz the power, 2016-05-16 18:16:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1982713002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1982713002/1

[commit-bot: I haz the power, 2016-05-16 18:31:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1982713002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1982713002/1

[commit-bot: I haz the power, 2016-05-16 19:01:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1982713002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1982713002/1

[commit-bot: I haz the power, 2016-05-16 19:31:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1982713002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1982713002/1

[commit-bot: I haz the power, 2016-05-16 20:01:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1982713002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1982713002/1

[commit-bot: I haz the power, 2016-05-16 20:16:49]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-05-16 20:16:50]

Try jobs failed on following builders:
  android_arm64_rel on tryserver.webrtc (JOB_TIMED_OUT, no build URL)

[Taylor Brandstetter, 2016-05-16 21:12:27]

Description was changed from

==========
Revert of Increase the stun ping interval. (patchset #5 id:80001 of
https://codereview.webrtc.org/1944003002/ )

Reason for revert:
This will take longer time for the RTT to converge.
Need to update the RTT calculation algorithm if doing this. 

Original issue's description:
> Increase the stun ping interval.
> 
> Writable connections are pinged at a slower rate.
> The function IsPingable will filter out the writable connections.
> The interval for slower ping rate by default is
WRITABLE_CONNECTION_PING_INTERVAL(2500ms) and can be set with the configuration.
> 
> BUG=webrtc:1161
> 
> Committed: https://crrev.com/8f7a5aad55a64f0d81b6436a22ffbdfcdcde91e0
> Cr-Commit-Position: refs/heads/master@{#12736}

TBR=honghaiz@webrtc.org,pthatcher@webrtc.org,zhihuang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:1161
==========

to

==========
Revert of Increase the stun ping interval. (patchset #5 id:80001 of
https://codereview.webrtc.org/1944003002/ )

Reason for revert:
This will take longer time for the RTT to converge.
Need to update the RTT calculation algorithm if doing this. 

Original issue's description:
> Increase the stun ping interval.
> 
> Writable connections are pinged at a slower rate.
> The function IsPingable will filter out the writable connections.
> The interval for slower ping rate by default is
WRITABLE_CONNECTION_PING_INTERVAL(2500ms) and can be set with the configuration.
> 
> BUG=webrtc:1161
> 
> Committed: https://crrev.com/8f7a5aad55a64f0d81b6436a22ffbdfcdcde91e0
> Cr-Commit-Position: refs/heads/master@{#12736}

TBR=honghaiz@webrtc.org,pthatcher@webrtc.org,zhihuang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:1161

Committed:
https://chromium.googlesource.com/external/webrtc/+/2abe42741743bd8eeaf37350a...
==========

[Taylor Brandstetter, 2016-05-16 21:12:28]

Committed patchset #1 (id:1) manually as
2abe42741743bd8eeaf37350acb20b4a10b7901e (presubmit successful).

[commit-bot: I haz the power, 2016-05-16 21:12:30]

Description was changed from

==========
Revert of Increase the stun ping interval. (patchset #5 id:80001 of
https://codereview.webrtc.org/1944003002/ )

Reason for revert:
This will take longer time for the RTT to converge.
Need to update the RTT calculation algorithm if doing this. 

Original issue's description:
> Increase the stun ping interval.
> 
> Writable connections are pinged at a slower rate.
> The function IsPingable will filter out the writable connections.
> The interval for slower ping rate by default is
WRITABLE_CONNECTION_PING_INTERVAL(2500ms) and can be set with the configuration.
> 
> BUG=webrtc:1161
> 
> Committed: https://crrev.com/8f7a5aad55a64f0d81b6436a22ffbdfcdcde91e0
> Cr-Commit-Position: refs/heads/master@{#12736}

TBR=honghaiz@webrtc.org,pthatcher@webrtc.org,zhihuang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:1161

Committed:
https://chromium.googlesource.com/external/webrtc/+/2abe42741743bd8eeaf37350a...
==========

to

==========
Revert of Increase the stun ping interval. (patchset #5 id:80001 of
https://codereview.webrtc.org/1944003002/ )

Reason for revert:
This will take longer time for the RTT to converge.
Need to update the RTT calculation algorithm if doing this.

Original issue's description:
> Increase the stun ping interval.
>
> Writable connections are pinged at a slower rate.
> The function IsPingable will filter out the writable connections.
> The interval for slower ping rate by default is
WRITABLE_CONNECTION_PING_INTERVAL(2500ms) and can be set with the configuration.
>
> BUG=webrtc:1161
>
> Committed: https://crrev.com/8f7a5aad55a64f0d81b6436a22ffbdfcdcde91e0
> Cr-Commit-Position: refs/heads/master@{#12736}

TBR=honghaiz@webrtc.org,pthatcher@webrtc.org,zhihuang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:1161

Committed: https://crrev.com/2abe42741743bd8eeaf37350acb20b4a10b7901e
Cr-Commit-Position: refs/heads/master@{#12762}
==========