power: Fix for VNDK compliance issue

VNDK flag enablement for P upgrade

Change-Id: I033c3d9c8a1ee1e7f52a6398ae989becd66d161e
diff --git a/Android.mk b/Android.mk
index 6ca9ffa..087a9a8 100644
--- a/Android.mk
+++ b/Android.mk
@@ -9,6 +9,8 @@
 
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_SHARED_LIBRARIES := liblog libcutils libdl libxml2
+LOCAL_HEADER_LIBRARIES += libutils_headers
+LOCAL_HEADER_LIBRARIES += libhardware_headers
 LOCAL_SRC_FILES := power.c metadata-parser.c utils.c list.c hint-data.c powerhintparser.c
 LOCAL_C_INCLUDES := external/libxml2/include \
                     external/icu/icu4c/source/common