C2AllocatorGralloc: support locking RGBA_1010102 as YUVA_1010102

Bug: 117672953
Test: stagefright -s -S video_1280x720_vp9_hdr_static_3mbps.mkv
Change-Id: I738820251ea9ddd6b9fe9d2bafcdc6d1c6fb3744
1 file changed