Fix MediaStyle notification button ripple.

Ripple previously would be invisible (probably because it was layered behind the background drawable of the notification row) but putting a mask in the drawable fixes that.

Fixes: 189210858
Test: manual
Change-Id: I13f8c8cafa6282fdf1550498f4a69a4bbc6d58e6

parent d49a4099

core/res/res/drawable/notification_material_media_action_background.xml

+7 −1

Original line number	Diff line number	Diff line
		@@ -16,4 +16,10 @@
		-->

		<ripple xmlns:android="http://schemas.android.com/apk/res/android"
		android:color="@color/ripple_material_light" />
		android:color="@color/ripple_material_light">
		<item android:id="@id/mask">
		<shape android:shape="oval">
		<solid android:color="#333" />
		</shape>
		</item>
		</ripple>