Merge "Fix no touch events on half of the split screen" into tm-dev am: 16fc7aa4 am: 858e5c12

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17053279

Change-Id: Ib34b22b92f3a883c7b5391e5382f540c2d6d8ff5