Grant read URI permission for playback of video capture

Current implementation of video capture UI configured MediaRecorder to
output directly into supplied URI, which per recommendation should be
a content: URI. We pass this URI to another app to play back the video,
and should pass along the read permission.

Bug: 19675889

Change-Id: Idfc0ee42422dde5d921e81f098d4697e652ac689
1 file changed