Move the enum to string utility functions from lldbtest.py to lldbuti.py and
update the affected API clients.

llvm-svn: 115995
diff --git a/lldb/test/threads/TestPrintStackTraces.py b/lldb/test/threads/TestPrintStackTraces.py
index ce27ed1..18c761d 100644
--- a/lldb/test/threads/TestPrintStackTraces.py
+++ b/lldb/test/threads/TestPrintStackTraces.py
@@ -37,7 +37,7 @@
         if self.process.GetState() != lldb.eStateStopped:
             self.fail("Process should be in the 'Stopped' state, "
                       "instead the actual state is: '%s'" %
-                      StateTypeString(self.process.GetState()))
+                      lldbutil.StateTypeString(self.process.GetState()))
 
         import lldbutil
         lldbutil.PrintStackTraces(self.process)