CQ: Remove Linux ARM64 Debug trybot from default set.

CQ: Remove Linux ARM64 Debug trybot from default set.

It appears recent changes in Chromium (crbug.com/708104) is causing
this to fail.
Need to disable this to unblock rolling.

BUG=webrtc:7024
TBR=oprypin@webrtc.org

Review-Url: https://codereview.webrtc.org/2790263003 .
Cr-Commit-Position: refs/heads/master@{#17521}
Committed: https://chromium.googlesource.com/external/webrtc/+/5115645c01e15a590bca43487552a8d8da83d611

[kjellander_webrtc, 2017-04-04 08:59:37]

Description was changed from

==========
CQ: Remove Linux ARM64 Debug trybot from default set.

It appears recent changes in Chromium (crbug.com/708104) is causing
this to fail.
Need to disable this to unblock rolling.

BUG=webrtc:7024
TBR=oprypin@webrtc.org
==========

to

==========
CQ: Remove Linux ARM64 Debug trybot from default set.

It appears recent changes in Chromium (crbug.com/708104) is causing
this to fail.
Need to disable this to unblock rolling.

BUG=webrtc:7024
TBR=oprypin@webrtc.org

Review-Url: https://codereview.webrtc.org/2790263003 .
Cr-Commit-Position: refs/heads/master@{#17521}
Committed:
https://chromium.googlesource.com/external/webrtc/+/5115645c01e15a590bca43487...
==========

[kjellander_webrtc, 2017-04-04 08:59:39]

Committed patchset #1 (id:1) manually as
5115645c01e15a590bca43487552a8d8da83d611 (presubmit successful).

[oprypin_webrtc, 2017-04-04 09:02:58]

lgtm

[kjellander_webrtc, 2017-04-06 09:20:13]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/2805603003/ by kjellander@webrtc.org.

The reason for reverting is: The build config is now working again..