Merge "Animate the power menu when triggered from QS" into sc-v2-dev am: f1650d86 am: b00e0e0d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16214754

Change-Id: I5104fa833dd1c3db7c479dbe1eafe60ec81f0da4