Merge "Don't resize PiP on aspect ratio change if nothing changed." into tm-qpr-dev am: f5b0a3e3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19484732



Change-Id: I5284923aeab808fb0459d23c6e60e119688c1973
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>