Revert 247106 "Enable media android tests and make --disable-ges..."

Fails on Nexus 4 and Nexus 7v2.

http://build.chromium.org/p/chromium.perf/builders/Android%20Nexus4%20Perf/builds/123/steps/media.android/logs/stdio
http://build.chromium.org/p/chromium.perf/builders/Android%20Nexus7v2%20Perf/builds/124/steps/media.android/logs/stdio

TimeoutException: Timed out while waiting 60s for util.WaitFor(lambda:
                     self.HasEventCompletedOrError(tab, selector, event_name),
                 timeout=timeout).

> Enable media android tests and make --disable-gesture-requirement-for-media-playback default for media measurement.
> 
> Issues with nexus 4 and 7 are not repro-ing. Plus with earlier changes to media actions,
> tests should skip when video error happens instead of marking the bot red.
> 
> BUG=329691
> 
> Review URL: https://codereview.chromium.org/145033014

TBR=shadi@chromium.org

Review URL: https://codereview.chromium.org/144973005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247157 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247157