Merge "Allow the default mode for video peek to be undefined" into tm-dev am: a4b0d8af28 am: a049054cd5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/18308417

Change-Id: I9ddfc0b7ba5fe972e66f04b4a2fca53ee956304c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>