Merge "Do not wait for transient hide transition targets" into udc-dev am: 4995fd3e am: fb9803ba

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22240746



Change-Id: I2147413fb6c1284f9c8654038193e02d2efdd513
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>