C2VDAAdaptor implementation

In C2VDACodec pure Android solution, C2VDAAdaptor is designed to:
1) transfer VDA API (from ported Chromium VDA) to Adaptor API (to Codec2
component)
2) implement Adaptor interface to keep the same interface to
component for both pure Android and CrOS solution.

Bug: 63828275
Test: mmm external/v4l2_codec2
Change-Id: I77226d5810ae9a8e263a1d74380de877bd4ef747
4 files changed