Themes: setUserRequired(false) when updating audibles

This prevents the following exception
F/Environment(18007): Path requests must specify a user by using UserEnvironment
F/Environment(18007): java.lang.Throwable
F/Environment(18007):   at android.os.Environment.throwIfUserRequired(Environment.java:787)

Change-Id: Ic6ac7537079ed27912c40683c877e05992b708e9

services/java/com/android/server/ThemeService.java

@@ -43,6 +43,7 @@
 import android.media.RingtoneManager;
 import android.net.Uri;
 import android.os.Binder;
+import android.os.Environment;
 import android.os.FileUtils;
 import android.os.Handler;
 import android.os.HandlerThread;
@@ -196,6 +197,7 @@ private void doApplyTheme(Map<String, String> componentMap) {
             incrementProgress(progressIncrement);
         }
 
+        Environment.setUserRequired(false);
         if (componentMap.containsKey(ThemesColumns.MODIFIES_ALARMS)) {
             updateAlarms(componentMap.get(ThemesColumns.MODIFIES_ALARMS));
             incrementProgress(progressIncrement);
@@ -210,6 +212,7 @@ private void doApplyTheme(Map<String, String> componentMap) {
             updateBootAnim(componentMap.get(ThemesColumns.MODIFIES_BOOT_ANIM));
             incrementProgress(progressIncrement);
         }
+        Environment.setUserRequired(true);
 
         if (componentMap.containsKey(ThemesColumns.MODIFIES_FONTS)) {
             updateFonts(componentMap.get(ThemesColumns.MODIFIES_FONTS));