Merge "Use appBounds when computing split screen aspect ratio" into tm-qpr-dev...

Merge "Use appBounds when computing split screen aspect ratio" into tm-qpr-dev am: 02b2a06f am: 4865b4a9 am: 8d969cfe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22119819



Change-Id: I1afab186619f64faddabd496a9113ae8386365aa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>