Merge "Calculate the position from start bounds for auto-enter PiP" into sc-dev am: 5a2a6e7325 am: 09d411a349

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14940622

Change-Id: I02637d4aa4deb0213178de8a546065f5df09224b