Merge "Remove PiP Size Spec Flag" into udc-qpr-dev am: f15ca0caf0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24435714

Change-Id: Ibb78e3ce6f6a151815b9b2734cdae2097e936195
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>