Introduce new UI_MODE_TYPE_VR_HEADSET.

Bug: 30989383
Test: None yet, compile only
Change-Id: I77fd12c4c108e5135c5f1fd6d669c0041debca87
diff --git a/include/android/configuration.h b/include/android/configuration.h
index 8e10f67..b469e7e 100644
--- a/include/android/configuration.h
+++ b/include/android/configuration.h
@@ -300,6 +300,11 @@
      * <a href="@dacRoot/guide/topics/resources/providing-resources.html#UiModeQualifier">watch</a> resource qualifier specified.
      */
     ACONFIGURATION_UI_MODE_TYPE_WATCH = 0x06,
+    /**
+     * UI mode: value that corresponds to
+     * <a href="@dacRoot/guide/topics/resources/providing-resources.html#UiModeQualifier">vr</a> resource qualifier specified.
+     */
+    ACONFIGURATION_UI_MODE_TYPE_VR_HEADSET = 0x07,
 
     /** UI night mode: not specified.*/
     ACONFIGURATION_UI_MODE_NIGHT_ANY = 0x00,