Fix BitrateAdjuster issues in VTVideoEncodeAccelerator

Fix BitrateAdjuster issues in VTVideoEncodeAccelerator

This CL addresses the bug below, where BitrateAdjuster would continue
dropping the frame rate when bandwidth estimator kicks in.

BUG=597095
Committed: https://crrev.com/2e5139a27bc056aecb53df143b85ee191f6a86e6
Cr-Commit-Position: refs/heads/master@{#395208}

[emircan, 2016-05-20 20:16:57]

Description was changed from

==========
fix

BUG=
==========

to

==========
Fix BitrateAdjuster issues in VTVideoEncodeAccelerator

This CL addresses the bug below, where BitrateAdjuster would continue 
dropping the frame rate when bandwidth estimator kicks in. 

BUG=597095
==========

[emircan, 2016-05-20 20:17:56]

emircan@chromium.org changed reviewers:
+ sandersd@chromium.org, tkchin@webrtc.org

[emircan, 2016-05-20 20:17:56]

PTAL.

[sandersd (OOO until July 31), 2016-05-20 20:40:13]

media/ lgtm

[emircan, 2016-05-20 21:38:09]

The CQ bit was checked by emircan@chromium.org

[commit-bot: I haz the power, 2016-05-20 21:38:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2000853002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2000853002/1

[commit-bot: I haz the power, 2016-05-20 23:47:19]

Description was changed from

==========
Fix BitrateAdjuster issues in VTVideoEncodeAccelerator

This CL addresses the bug below, where BitrateAdjuster would continue 
dropping the frame rate when bandwidth estimator kicks in. 

BUG=597095
==========

to

==========
Fix BitrateAdjuster issues in VTVideoEncodeAccelerator

This CL addresses the bug below, where BitrateAdjuster would continue 
dropping the frame rate when bandwidth estimator kicks in. 

BUG=597095
==========

[commit-bot: I haz the power, 2016-05-20 23:47:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-20 23:49:24]

Description was changed from

==========
Fix BitrateAdjuster issues in VTVideoEncodeAccelerator

This CL addresses the bug below, where BitrateAdjuster would continue 
dropping the frame rate when bandwidth estimator kicks in. 

BUG=597095
==========

to

==========
Fix BitrateAdjuster issues in VTVideoEncodeAccelerator

This CL addresses the bug below, where BitrateAdjuster would continue
dropping the frame rate when bandwidth estimator kicks in.

BUG=597095

Committed: https://crrev.com/2e5139a27bc056aecb53df143b85ee191f6a86e6
Cr-Commit-Position: refs/heads/master@{#395208}
==========

[commit-bot: I haz the power, 2016-05-20 23:49:25]

Patchset 1 (id:??) landed as
https://crrev.com/2e5139a27bc056aecb53df143b85ee191f6a86e6
Cr-Commit-Position: refs/heads/master@{#395208}