Merge "Return widget uid only when it is bound to screen" into tm-qpr-dev am:...

Merge "Return widget uid only when it is bound to screen" into tm-qpr-dev am: 731c7bb7 am: 417d9b1e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20861026



Change-Id: I2a2a4fdc26fe22330cc257bc89179ab10d072959
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>