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: c4a95eab

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



Change-Id: Ib0c6338c5f4d0f5990891b7f8e32494eaf82c45b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>