Add more info to who called SuspendAll

Helps diagnose related jank.

Change-Id: I38191cdda723c6f0355d0197c494a3dff2b6653c
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index be6c41a..3d3d5cb 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -932,7 +932,7 @@
     Runtime* current = Runtime::Current();
 
     // Suspend all threads.
-    current->GetThreadList()->SuspendAll();
+    current->GetThreadList()->SuspendAll(__FUNCTION__);
 
     std::string error_msg;
     std::unique_ptr<ClinitImageUpdate> update(ClinitImageUpdate::Create(image_classes_.get(),