This adds support for the HEVC/H265 codec to the Android codec2 V4L2
decode component.

Bug: 215043150
Bug: 183217901
Test: ExoPlayer works with HEVC on guybrush w/ codecs added and
corresponding ChromeOS CLs for crosvm/libvda

Change-Id: I3707e9730d245871b74982527edfebe81b484e8a
(cherry picked from commit 05bacef7fa53541f21c85f26f6f8351dcdfd7f0e)