Merge "Use frameTimelinesLength instead of const" into udc-dev am: c5063521...

Merge "Use frameTimelinesLength instead of const" into udc-dev am: c5063521 am: 89bde671 am: def15258 am: bfb9d76d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/22869417



Change-Id: Id3a2c66c0673e93e4af31f28e09771ced9994be4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>