Port h264_dpb from Chromium

Slight modifications

file: src/media/gpu/h264_dpb.*
commit head: 11c7629beff558f7f5822067dcfeb6d6a729d13b

Bug: 32691050
Test: mmm external/v4l2_codec2
Change-Id: I475a32a29b54fa2fb3ebc0dac27fca5d2382721b
3 files changed
tree: 82e15ca304919b592378a0ad5f4d4d0419ced02b
  1. vda/
  2. Android.mk