Revert "Revert "Camera: Adds support for meta data callbacks""

This reverts commit b71b0060052b3d2b33902dc69c6bd23aa88111a6.

Now it works :)

Change-Id: I6bd0b75d07026f601c4e9b71b3e62a8ca75c37b9
Systemui: Unbreak the planet

 * Not sure who to blame, but it's probably themes... :)

Change-Id: I0c534354a699f756d809aff10843ebea21f3f369
frameworks/base: Fix delay in sending AUDIO_BECOMING_NOISY intent

AUDIO_BECOMING_NOISY intent is sent as background intent which causes
delay in receiving pause event. This delay caused audio leak. By
marking the event as FLAG_RECEIVER_FOREGROUND, this intent is
received sooner by Application.

Change-Id: Ib978cf8322dcddbc01f59824f95fa7800f9c35af
CRs-Fixed: 652549
Merge remote-tracking branch 'upstream/du44' into du44