Add actions to toggle showing touches and stop recording.

Change-Id: I5104253a64853b74c64a6ec5d68f66e17de3a3fc
Return SHOW_TOUCHES to off when done recording.

Change-Id: I0a84454e0caa0fbfc5d13c6c3311345ac2177f58
Don't show video preview image if we're using ART runtime.

Screen Recorder crashes on ART runtime.