Screen recorder: add ability to record audio from mic [3/3]

Change-Id: I52397e367f77e83eafae90ed16ec7b3cafe82f71
Add actions to toggle showing touches and stop recording.

Change-Id: I5104253a64853b74c64a6ec5d68f66e17de3a3fc
Merge pull request #3 from ChameleonOS/kitkat-staging

Screen Recorder