Merge "Calculate the position from start bounds for auto-enter PiP" into sc-dev am: 5a2a6e7325 am: 7987decd95 am: 1c93163efa

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

Change-Id: I05ec6533ec43f589121135f2e588d60a104b3124