Merge "codec2: change to support multiple fences for single output." am: b2d95c39 am: efe695fd

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2237988



Change-Id: Id2c1739661e4549b8608568ab3329095f6416a77
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>