Add HAL_PIXEL_FORMAT_NV12_ENCODEABLE which is the encoder specific
format.
Remove unused OEM formats from the gralloc.
Change-Id: I787203cd96b597c881f0acc10b60ea2ab2ffe1ab
Add support in the gralloc to:
- Create a lock during buffer allocation.
- Release a lock when the buffer is freed or unregistered.
- Attach a lock when the buffer is registered.
Change-Id: I788e411f43d5fcf88d7dcf39c530559a12d6361c