URL: https://chromium.googlesource.com/codecs/libgav1
Version: cl/267700628
BugComponent: 324837
Local Modifications:
- ab3390a external/libgav1,cosmetics: add license headers
- backport cl/281117442: Fully use the frame border for reference block.
- backport cl/289984918: convolve: Use the correct subsampling for ref frames
- backport cl/289966078: Move initial_display_delay out of OperatingParamet
- backport cl/290784565: Handle a change of sequence header parameters.
- backport cl/291222461: Disallow change of sequence header during a frame.
- backport cl/289910031: obu: Check for size validity in SetTileDataOffset