QCMetadata: add keys for FLAC meta data

Add FLAC meta data specific keys.

Change-Id: I85f34d01ad4b403e236a5fc2ebf054eb383abbde
media: Move sample format tag to framework

Change-Id: Id65a631d90537cbd8d1ca2b55b7e86211e4cee76
media-caf-new: Avoid collision with FFMPEG plugin

Change-Id: Ica2cdf9f6572ec18f396d25758cbb2be1359ac0b
media-caf-new: Update paths to media-caf-new

Change-Id: Iaacb9ebb84eb7e0788f812f14bd834568090265f

Conflicts:

	Android.mk
	libc2dcolorconvert/Android.mk
	mm-video-v4l2/vidc/vdec/Android.mk
	mm-video-v4l2/vidc/venc/Android.mk
Add flag for building proprietary codec

Change-Id: I69dd5b913d8c0fa0fc9faac4968276cde772ca27

Conflicts:

	mm-video-v4l2/vidc/vdec/Android.mk
vdec: Rename flag for HEVC inclusion

Change-Id: I385bc3cbd8dd13842cbf651b26bf0a9f431963a3

Conflicts:

	mm-video-v4l2/vidc/vdec/Android.mk
media: Use project pathmap

Change-Id: If791cef92b29b8598ee442b889a923b5aa6b872e

Conflicts:

	Android.mk