Lahaina: Added LOCAL_EXPORT_C_INCLUDE_DIRS

Added LOCAL_EXPORT_C_INCLUDE_DIRS in
preparation for removing deprecated
LOCAL_COPY_HEADERS rule from libjson/inc.

Change-Id: Ibf72a118f7dfd0a3dd2e89307dfddc5cf457745e
diff --git a/Android.mk b/Android.mk
index 17558e2..b0646f1 100644
--- a/Android.mk
+++ b/Android.mk
@@ -5,6 +5,7 @@
 LOCAL_CFLAGS := -Werror -Wno-error=unused-parameter
 LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
 LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
 LOCAL_COPY_HEADERS_TO := libjson/inc
 LOCAL_COPY_HEADERS := bits.h \
 		config.h \