Prepare to remove ril from global include paths

Bug: 18903857
Change-Id: I3051dd5d3947dda346406841853eac8213a3eb55
diff --git a/libril/Android.mk b/libril/Android.mk
index e8b815e..65c77c7 100644
--- a/libril/Android.mk
+++ b/libril/Android.mk
@@ -21,6 +21,9 @@
     LOCAL_CFLAGS += -DANDROID_SIM_COUNT_2
 endif
 
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/../include
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/../include
+
 LOCAL_MODULE:= libril
 
 include $(BUILD_SHARED_LIBRARY)