Revert "Cherry-pick Dolby changes from dlb/android-4.4.2_r1/ds"

This reverts commit d720c218e8640e878a61375ca7d8117354dc210f.

Change-Id: Ie569b2ac3655ae61c554d21e4d5f19646d455bbf

Conflicts:
	include/media/openmax/OMX_Audio.h