Revert of Added validation between RTP and RTCP timestamps

Revert of Added validation between RTP and RTCP timestamps (patchset #7 id:120001 of https://codereview.webrtc.org/1633843003/ )

Reason for revert:
May be the reason for mac_asan timeout

Original issue's description:
> Changed test to validate rtp timstamps not just in RTP packets but also in RTCP Sender Reports.
> Altered it to accept negative value since it is normal for RTCP packet coming before RTP packet to have slightly later time.
>
> BUG=webrtc:5433
>
> Committed: https://crrev.com/f4b9c775122b463db7eb2c4101603759a0d00caf
> Cr-Commit-Position: refs/heads/master@{#11417}

TBR=pbos@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:5433
Committed: https://crrev.com/34877eeec91b3a86cc14073cfe696b6dddc9aabd
Cr-Commit-Position: refs/heads/master@{#11446}

[danilchap, 2016-02-01 15:22:57]

Created Revert of Added validation between RTP and RTCP timestamps

[commit-bot: I haz the power, 2016-02-01 15:23:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1652973002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1652973002/1

[commit-bot: I haz the power, 2016-02-01 15:32:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1652973002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1652973002/1

[commit-bot: I haz the power, 2016-02-01 16:02:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1652973002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1652973002/1

[commit-bot: I haz the power, 2016-02-01 16:25:08]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-01 16:25:15]

Description was changed from

==========
Revert of Added validation between RTP and RTCP timestamps (patchset #7
id:120001 of https://codereview.webrtc.org/1633843003/ )

Reason for revert:
May be the reason for mac_asan timeout

Original issue's description:
> Changed test to validate rtp timstamps not just in RTP packets but also in
RTCP Sender Reports.
> Altered it to accept negative value since it is normal for RTCP packet coming
before RTP packet to have slightly later time.
> 
> BUG=webrtc:5433
> 
> Committed: https://crrev.com/f4b9c775122b463db7eb2c4101603759a0d00caf
> Cr-Commit-Position: refs/heads/master@{#11417}

TBR=pbos@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:5433
==========

to

==========
Revert of Added validation between RTP and RTCP timestamps (patchset #7
id:120001 of https://codereview.webrtc.org/1633843003/ )

Reason for revert:
May be the reason for mac_asan timeout

Original issue's description:
> Changed test to validate rtp timstamps not just in RTP packets but also in
RTCP Sender Reports.
> Altered it to accept negative value since it is normal for RTCP packet coming
before RTP packet to have slightly later time.
>
> BUG=webrtc:5433
>
> Committed: https://crrev.com/f4b9c775122b463db7eb2c4101603759a0d00caf
> Cr-Commit-Position: refs/heads/master@{#11417}

TBR=pbos@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:5433

Committed: https://crrev.com/34877eeec91b3a86cc14073cfe696b6dddc9aabd
Cr-Commit-Position: refs/heads/master@{#11446}
==========

[commit-bot: I haz the power, 2016-02-01 16:25:16]

Patchset 1 (id:??) landed as
https://crrev.com/34877eeec91b3a86cc14073cfe696b6dddc9aabd
Cr-Commit-Position: refs/heads/master@{#11446}