C2SoftVpxDec: Add support for Profile 2

Add support to decode Profile 2 streams (YUV420 10bit)
Test: stagefright -s -S video_1280x720_vp9_hdr_static_3mbps.mkv
Bug: 117511385

Change-Id: Ica0dee0ee8b3e216824a86df41a961a1f0f38e23
1 file changed