Reduced kMaxSampleDiffMs (limit to 22fps).

BUG=1577
R=mflodman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/12539004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6121 4adac7df-926f-26a2-2b94-8c16560cd09d
Revert "FieldTrial implementation for webrtc." (rev 6089)

New wiring plans require it to be landed first in chrome for a cleaner roll of webrtc.

BUG=crbug/367114
R=tommi@webrtc.org
TBR=tommi@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/17479004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6122 4adac7df-926f-26a2-2b94-8c16560cd09d
Enables VolumeTest.DefaultMicrophoneVolumeIsAtMost255

Rewritten the test to only check for valid volume when we have actually received a value from the audio device. To check if we have actually received a volume value is out of the scope for this test.

BUG=webrtc:367
TESTED=trybots
R=tina.legrand@webrtc.org, xians@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/16499006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6123 4adac7df-926f-26a2-2b94-8c16560cd09d