Merge "Add the charging ripple effect, currently guarded by...

Merge "Add the charging ripple effect, currently guarded by flag_charging_ripple." into sc-dev am: b2e08e97

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13774840

Change-Id: Ibc0bb012ad9c4b8eac18a61deb5eff7054d9bf52