Update Power Anomaly UI based on new visD spec.

- update anomaly hint chip on app list.

App battery usage:
[dark]	https://screenshot.googleplex.com/RoTWFon4ocoFe25
[light]	https://screenshot.googleplex.com/3UtaxbVNkMtB4w2

Battery usage:
[dark]	https://screenshot.googleplex.com/6hAoxtuVp3dawQw
[light] https://screenshot.googleplex.com/68NeFBymVc2D2Ab

Bug: 309569299
Test: manual
Change-Id: I6a2bc8192e7d9301f20913913e7b722a9c598e7c

res/drawable/battery_hints_chip_bg.xml

@@ -16,7 +16,8 @@
   -->
 
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     android:shape="rectangle">
-    <solid android:color="@color/settingslib_dialog_background" />
+    <solid android:color="?androidprv:attr/materialColorPrimaryContainer" />
     <corners android:radius="@dimen/battery_hints_chip_corner_radius" />
 </shape>

res/layout/power_anomaly_hints.xml

@@ -17,6 +17,7 @@
 
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:orientation="horizontal"
@@ -36,7 +37,7 @@
         android:layout_height="wrap_content"
         android:paddingHorizontal="8dp"
         android:textAlignment="viewStart"
-        android:textAppearance="?android:attr/textAppearanceSmall"
-        android:textColor="?android:attr/textColorPrimary"/>
+        android:textAppearance="@style/TextAppearance.MaterialComponents.Subtitle2"
+        android:textColor="?androidprv:attr/materialColorOnSurface"/>
 
 </LinearLayout>