Merge "Update the divider touch-region properly" into rvc-dev am: f4f1079b...

Merge "Update the divider touch-region properly" into rvc-dev am: f4f1079b am: d5a7a28c am: 9aab80c5 am: 2cc486e6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11948950

Change-Id: Id83eef3c7e4c3abb0100ac597323c6fbd3b48648