Revert 240887 "Revert 240885 "Revert 240883 "Refactor audio mana..."

The introduced test media_unittests: VideoCaptureDeviceTest.GetDeviceSupportedFormats
crashes on main waterfall [FATAL:jni_android.cc(216)] Check failed: false. 

> Revert 240885 "Revert 240883 "Refactor audio manager for Android..."
> 
> > Revert 240883 "Refactor audio manager for Android to avoid heavy..."
> > 
> > > Refactor audio manager for Android to avoid heavy tasks at startup.
> > > 
> > > Main goal of this CL is to avoid all demanding tasks (e.g. initiate audio routing, detect BT devices etc.) at Chrome startup.
> > > 
> > > All we do now is to populate the list of available devices. BT support has been removed but will be added in an upcoming CL. Detection will not require BLUETOOTH permission.
> > > 
> > > BUG=324464
> > > TEST=media_unittests --gtest-filter=AudioAndroid*
> > > R=bulach@chromium.org, tommi@chromium.org
> > > 
> > > Review URL: https://codereview.chromium.org/110173003
> > 
> > TBR=henrika@chromium.org
> > 
> > Review URL: https://codereview.chromium.org/105893005
> 
> TBR=henrika@chromium.org
> 
> Review URL: https://codereview.chromium.org/102613007

TBR=henrika@chromium.org

Review URL: https://codereview.chromium.org/103253005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240917 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240917