Merge "Split shade expansion: adjust alpha interpolation to match motion...

Merge "Split shade expansion: adjust alpha interpolation to match motion specs" into tm-qpr-dev am: 186e7cbd am: 83c4acd0 am: 11822af4 am: 478d4169

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21463824



Change-Id: I7daab996e3cf7540e2f1b74a22e42f589e5c4f15
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>