Merge "MediaCodec: fix new video subsession detection" into main am: 27557e47

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3493935



Change-Id: Ie32c035a24b8697f6d1ec53f5c118eb8fe939709
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>