Add AnimatedVectorDrawable support for VideoPreference

- We are planning to use animation vector drawable to replace mp4
file to reduce apk size
- Add vectorAnimation attr in VideoPreference
- Delegate VideoPreference media control to AnimationController

Bug: 143270527
Test: manual, robolectric
Change-Id: Ia5859f928a9082085cdf715c762f964e1c99e003

res/values/attrs.xml

@@ -119,6 +119,7 @@
     <declare-styleable name="VideoPreference">
         <attr name="animation" format="reference" />
         <attr name="preview" format="reference" />
+        <attr name="vectorAnimation" format="reference" />
     </declare-styleable>
 
     <!-- For AspectRatioFrameLayout -->