Merge "Calculate the position from start bounds for auto-enter PiP" into sc-dev am: 5a2a6e7325 am: 7987decd95

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

Change-Id: I561355576f45bbab255d4b99042ddda3f68a57d1