Merge "Fade out minimized view before animating expanded view" into tm-qpr-dev...

Merge "Fade out minimized view before animating expanded view" into tm-qpr-dev am: 3ac452b3 am: c45adefb am: 3cf42c6e

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



Change-Id: I7d125a7975f5f701e664964e1189c599f18934bc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>