SystemUI: Reload the EndNowButton label

Reload the EndNowButton label when configuration
changes.

Change-Id: I042d31f0bb011996aa8219c3c412e7b71987244c

packages/SystemUI/src/com/android/systemui/volume/ZenFooter.java

@@ -140,6 +140,7 @@ public class ZenFooter extends LinearLayout {
 
     public void onConfigurationChanged() {
         mSpTexts.update();
+        Util.setText(mEndNowButton, mContext.getString(R.string.volume_zen_end_now));
     }
 
 }