Build vr.default with BOARD_VNDK_VERSION

Bug: 37342627
Test: BOARD_VNDK_VERSION=current m -j64 vr.default
Change-Id: Id3a52cfd4e5fc278c8c9b7326f0566c0adbed815
Merged-In: Id3a52cfd4e5fc278c8c9b7326f0566c0adbed815
diff --git a/modules/vr/Android.mk b/modules/vr/Android.mk
index e04c0da..0305745 100644
--- a/modules/vr/Android.mk
+++ b/modules/vr/Android.mk
@@ -20,6 +20,7 @@
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_PROPRIETARY_MODULE := true
 LOCAL_SRC_FILES := vr.c
+LOCAL_HEADER_LIBRARIES := libhardware_headers
 LOCAL_SHARED_LIBRARIES := libcutils
 LOCAL_MODULE_TAGS := optional
 LOCAL_CFLAGS += -Wno-unused-parameter