Add VrManager AIDL interface for use by system apps.

Bug: 27884853
Change-Id: I6de0d291deafe5003070d60866c60d6599312e79
diff --git a/Android.mk b/Android.mk
index fc9c319..ae5d67e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -244,6 +244,8 @@
 	core/java/android/service/notification/IConditionListener.aidl \
 	core/java/android/service/notification/IConditionProvider.aidl \
 	core/java/android/service/vr/IVrListener.aidl \
+	core/java/android/service/vr/IVrManager.aidl \
+	core/java/android/service/vr/IVrStateCallbacks.aidl \
 	core/java/android/print/ILayoutResultCallback.aidl \
 	core/java/android/print/IPrinterDiscoveryObserver.aidl \
 	core/java/android/print/IPrintDocumentAdapter.aidl \