Merge "Add test for subsample metadata for YUV420 format" into rvc-dev am: e83c8b22e3 am: 1705471cc1 am: 1f6a1aeab0

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/11736601

Change-Id: I36ef836770d5f9eb6154fd33b4a1c554398497fa