Add stress-test mode for  ResolveMethodFromCode

To force call to artResolveMethodFromCode prior to each virtual or
super invoke, add (1 << kDebugExerciseResolveMethod) bit to the
compiler's debug flags.

Change-Id: If14e4bcc8073c8ac7a7a8d0d92bc49444528f77e
diff --git a/src/compiler/Compiler.h b/src/compiler/Compiler.h
index d16735c..224ea6e 100644
--- a/src/compiler/Compiler.h
+++ b/src/compiler/Compiler.h
@@ -51,6 +51,7 @@
     kDebugSlowTypePath,
     kDebugSlowestFieldPath,
     kDebugSlowestStringPath,
+    kDebugExerciseResolveMethod,
 };
 
 extern uint32_t compilerDebugFlags;