Merge "Fix transitions in the background when launching something in TaskView" into sc-dev am: 83f4345f am: a1a2de88

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14551317

Change-Id: I3f50130239fcef21e9c6b6b0f77cc72017610e7b