Fixed a Settings dialog crash.

+ Fixed a bug where Settings would crash when trying to open paired bluetooth
device settings after device orientation change.

Bug: 16972564
Change-Id: I0e93551ae7d8f21711d85093756fc33b62f59b24

src/com/android/settings/bluetooth/DeviceProfilesSettings.java

@@ -135,8 +135,10 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
         mCachedDevice = cachedDevice;
 
         mCachedDevice.registerCallback(this);
-        addPreferencesForProfiles();
-        refresh();
+        if (isResumed()) {
+            addPreferencesForProfiles();
+            refresh();
+        }
     }
 
     private void addPreferencesForProfiles() {