Add OMX_AUDIO_CodingAPE and OMX_AUDIO_CodingDTS

Copied from the stagefright-plugins project.

add HEVC decoder and cleanup

Change-Id: I16342228014320161a22302a3c14df7725556cd2
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_frameworks_native into cm-11.0