Merge "Fade out minimized view before animating expanded view" into tm-qpr-dev am: 3ac452b3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21717662



Change-Id: Ic09e153ded07b7fef0b8c85605bf227ee525b53e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>