Merge "CodecCapabilities: use optional instead of 0 to represent null in supports()." into main am: a10a2f5ceb

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3297541

Change-Id: Ic84b1eaae04ef115722bb67a3311239bcae8b1f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>