henrik.lundin ed4972116c Add a TickTimer object to NetEqImpl
The TickTimer is incremented on each call to GetAudioInternal(). Other
than that, the new object is not used yet.

Also adding a unit test in NetEqImplTest to verify that the tick timer
is incremented in the call to NetEq::GetAudio.

BUG=webrtc:5608

Review URL: https://codereview.webrtc.org/1903153005

Cr-Commit-Position: refs/heads/master@{#12493}
2016-04-25 17:11:45 +00:00
..
2016-04-25 17:11:45 +00:00
2015-12-16 19:44:39 +00:00