Add support for network-specific host name resolution.

For now all such support is hidden.

Change-Id: I932f73158a8f6e3ccc36c319d138180dff2aa070
diff --git a/NativeCode.mk b/NativeCode.mk
index 733f62e..429360a 100644
--- a/NativeCode.mk
+++ b/NativeCode.mk
@@ -66,7 +66,7 @@
 core_c_includes := libcore/include $(LOCAL_C_INCLUDES)
 core_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
 core_static_libraries := $(LOCAL_STATIC_LIBRARIES)
-core_cflags := -Wall -Wextra -Werror
+core_cflags := $(LOCAL_CFLAGS) -Wall -Wextra -Werror
 core_cppflags += -std=gnu++11
 
 core_test_files := \