Merge "Added new interpolator spec to be used throughout all of our motion"...

Merge "Added new interpolator spec to be used throughout all of our motion" into sc-v2-dev am: 96376719 am: 12e0953a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15920766

Change-Id: I6d987aedd8c2e80d6b76f37e55474232e7461ce1