Merge "Not resume TaskFragment behind translucent others" into sc-v2-dev am: b38be99dba am: 2afdf67fdf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16552869

Change-Id: I4ba3d38f09b9ffae480244257ab8433ad7bffc22