Remove the un-needed duplicated tests for kDisableAudioTrackProcessing

Remove the un-needed duplicated tests for kDisableAudioTrackProcessing.

The fact is that the code behind kDisableAudioTrackProcessing is deprecating, and these tests are run two times now, one with kDisableAudioTrackProcessing, one without. This generates noise when tests are flaky on Android.

NOTRY=true

BUG=387895
TEST=bots.

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=283700

[no longer working on chromium, 2014-07-16 14:55:32]

Henrik, could you please take a look at this CL?

Thanks,
SX

[henrika (OOO until Aug 14), 2014-07-16 14:56:52]

LGTM.

[no longer working on chromium, 2014-07-16 15:01:49]

The CQ bit was checked by xians@chromium.org

[commit-bot: I haz the power, 2014-07-16 15:02:54]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/xians@chromium.org/397023002/1

[commit-bot: I haz the power, 2014-07-16 19:28:04]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)
  linux_chromium_chromeos_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_chrome...)
  linux_chromium_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_rel/bu...)
  mac_chromium_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/mac_chromium_rel/buil...)
  win_chromium_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/win_chromium_rel/buil...)
  win_chromium_x64_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/win_chromium_x64_rel/...)

[no longer working on chromium, 2014-07-16 19:47:55]

The CQ bit was checked by xians@chromium.org

[commit-bot: I haz the power, 2014-07-16 19:48:56]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/xians@chromium.org/397023002/20001

[no longer working on chromium, 2014-07-17 07:53:53]

The CQ bit was unchecked by xians@chromium.org

[no longer working on chromium, 2014-07-17 07:53:58]

The CQ bit was checked by xians@chromium.org

[commit-bot: I haz the power, 2014-07-17 07:55:29]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/xians@chromium.org/397023002/20001

[commit-bot: I haz the power, 2014-07-17 08:02:11]

Change committed as 283700