mm-core: synchronize OpenMax headers with AOSP counterparts

Update the video headers, retaining the enhancements.
Also use standard coding types (like VP8 instead of VPX)
and map the extended codec-types to standard types wherever
applicable.
Update HEVC profile/level enumeration values to follow the
spec nomenclature.

Change-Id: I1d9f42b91526892f535a76d0760819f4dd41332d
10 files changed