Remove use of androidprv to work around a bug in sysyui studio build

Fixes: 187506380
Test: build with gradle
Change-Id: I360f3d5101cddf73dbce488d9e0e860c96ee1583
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index 7db9dec..9fd18c6 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -14,8 +14,8 @@
      limitations under the License.
 -->
 
-<resources xmlns:android="http://schemas.android.com/apk/res/android"
-           xmlns:androidprv="http://schemas.android.com/apk/prv/res/android">
+<resources xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- NOTE: Adding the androidprv: namespace to this file will break the studio build. -->
     <style name="ClearAllButtonDefaultMargins">
         <item name="android:layout_marginStart">0dp</item>
         <item name="android:layout_marginTop">0dp</item>
@@ -644,7 +644,7 @@
     <style name="MediaPlayer.OutlineButton">
         <item name="android:background">@drawable/qs_media_button_background</item>
         <item name="android:textColor">?android:attr/textColorPrimary</item>
-        <item name="android:backgroundTint">?androidprv:attr/colorAccentPrimaryVariant</item>
+        <item name="android:backgroundTint">@color/media_player_outline_button_bg</item>
         <item name="android:fontFamily">@*android:string/config_headlineFontFamilyMedium</item>
     </style>
 
@@ -661,7 +661,7 @@
     </style>
 
     <style name="MediaPlayer.Album">
-        <item name="android:backgroundTint">?androidprv:attr/colorAccentSecondary</item>
+        <item name="android:backgroundTint">@color/media_player_album_bg</item>
 
     </style>