Merge "Implement Split to fullscreen with META+CTRL+DPAD_UP" into tm-qpr-dev...

Merge "Implement Split to fullscreen with META+CTRL+DPAD_UP" into tm-qpr-dev am: 977d57cd am: 46027768

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20059260



Change-Id: Icd9885bb7898a49eec418b30d99c087b8aed2c14
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>