Merge "Support autoEnterPip without source rect hint" into sc-dev am: 0f16e51451

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13524927

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I987db8d924fb5120da80c95c176895a11008d7b2