Add support for WITHOUT_CLANG

Change-Id: I12e776e44c69649bca34c35eff2ee7c75cfe62cd
diff --git a/core/binary.mk b/core/binary.mk
index 10d4927..deee101 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -98,6 +98,10 @@
   LOCAL_STATIC_LIBRARIES += $(ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES)
 endif
 
+ifeq ($(strip $(WITHOUT_CLANG)),true)
+  LOCAL_CLANG :=
+endif
+
 # Add in libcompiler_rt for all regular device builds
 ifeq (,$(LOCAL_SDK_VERSION)$(LOCAL_IS_HOST_MODULE)$(WITHOUT_LIBCOMPILER_RT))
   LOCAL_STATIC_LIBRARIES += $(COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES)