Merge "Shows ripple inside SettingsSpinner and its dropdown items" into sc-dev am: 1f26477a am: 1bf3ed87 am: 2d3f8bc8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15125792

Change-Id: I28877da53a77e766885afefea98770a44d629149