Merge "Deactivate touch target for splitscreen button" into tm-qpr-dev am:...

Merge "Deactivate touch target for splitscreen button" into tm-qpr-dev am: 108cea32 am: e803905d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19844708



Change-Id: I26e134f3f72a279637f112661ffca144070f4434
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>