Merge "Polish the rounded box ripple." into tm-qpr-dev am: e73edf2e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19611097



Change-Id: Ic07e33e4b7da1302106d371b16f3afd8598f94a0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>