WiFi: Use GCC to compile

Possible Clang issue.

Bug: 22172328
Change-Id: I91eb90816f73fa169fca950bdd020724cd6f1e05
diff --git a/service/Android.mk b/service/Android.mk
index 971c983..7881bce 100755
--- a/service/Android.mk
+++ b/service/Android.mk
@@ -114,6 +114,8 @@
 	jni/jni_helper.cpp
 
 LOCAL_MODULE := libwifi-service
+# b/22172328
+LOCAL_CLANG := false
 
 include $(BUILD_SHARED_LIBRARY)