qdutils: Add dependency on libhardware headers

Change-Id: I178e9fb8302f192aa1fc7487c18eab0ecf2e0e9a
diff --git a/libqdutils/Android.mk b/libqdutils/Android.mk
index 60efb3a..5dac581 100644
--- a/libqdutils/Android.mk
+++ b/libqdutils/Android.mk
@@ -8,6 +8,7 @@
 LOCAL_SHARED_LIBRARIES        := $(common_libs) libbinder libqservice
 LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
 LOCAL_HEADER_LIBRARIES        := display_headers
+LOCAL_HEADER_LIBRARIES        += libhardware_headers
 LOCAL_CFLAGS                  := $(common_flags) -DLOG_TAG=\"qdutils\" -Wno-sign-conversion
 LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps)
 LOCAL_COPY_HEADERS_TO         := $(common_header_export_path)