KitKat Blobs

Change-Id: I4cb0782fe4f95a6ff20351d2cc29220db4542d9a
Cleanup

Change-Id: I5072f23827b7ec6471d0ba0cb873506b81ceaf85

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml
Add audio.r_submix.default for casting

Change-Id: Ia4c0022881b1850d85459a7117e71b8048a0a55b
Video snapshot & Optimizations

Change-Id: Ifb001b5854bb47c5af74a9b5d0e63b224aa901aa