Merge "Log letterbox persistent positioning" into tm-qpr-dev am: 4556613637

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20609072

Change-Id: I77f204944c6585727e936ee34514fc47f0791b62
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>