Update mojo sdk to rev cc531b32182099a5a034a99daff35ed5d38a61c8

mojo/public/cpp/test_support/test_utils.h

Index: mojo/public/cpp/test_support/test_utils.h
diff --git a/mojo/public/cpp/test_support/test_utils.h b/mojo/public/cpp/test_support/test_utils.h
index 43a3ea998212f12ba4754d7c38f2a90994d6a2a5..6fd5a9ea2583c9124258fa3acc1dd32f780e4d59 100644
--- a/mojo/public/cpp/test_support/test_utils.h
+++ b/mojo/public/cpp/test_support/test_utils.h
@@ -30,6 +30,7 @@ bool DiscardMessage(const MessagePipeHandle& handle);
 // amount of time and reports the number of iterations per unit time.)
 typedef void (*PerfTestSingleIteration)(void* closure);
 void IterateAndReportPerf(const char* test_name,
+                          const char* sub_test_name,
                           PerfTestSingleIteration single_iteration,
                           void* closure);