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

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

Change-Id: Ib122e9c2cac21d1170587a6a1fd6a6e6e429cc8b