Generated makefiles link against libhidl.

And updated tests to link to libhidl as well.

Bug: 30839546
Change-Id: I0eff676e114531498859ca548072b0c226fd2ed4
diff --git a/generateCpp.cpp b/generateCpp.cpp
index b034c87..7e5af7d 100644
--- a/generateCpp.cpp
+++ b/generateCpp.cpp
@@ -141,7 +141,7 @@
         out << "\n";
     }
 
-    out << "#include <hwbinder/HidlSupport.h>\n";
+    out << "#include <hidl/HidlSupport.h>\n";
 
     if (isInterface) {
         out << "#include <hwbinder/IBinder.h>\n";