Merge "Set the candidate task windowing mode" into tm-dev am: 8b830691 am:...

Merge "Set the candidate task windowing mode" into tm-dev am: 8b830691 am: ce628f6b am: 483670b1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17753206



Change-Id: I1d3825d104f1c92bea2987b6e6e41521737edb51
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>