Integrate call-graph information into JIT method blacklist.

The new flag is -Xjitcheckcg which will crawl the stack frame of the
translation requesting thread.

Bug: 2368995
diff --git a/vm/compiler/Compiler.h b/vm/compiler/Compiler.h
index c66d562..71eed5d 100644
--- a/vm/compiler/Compiler.h
+++ b/vm/compiler/Compiler.h
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#include <Thread.h>
+
 #ifndef _DALVIK_VM_COMPILER
 #define _DALVIK_VM_COMPILER
 
@@ -39,6 +41,7 @@
     void *codeAddress;
     JitInstructionSetType instructionSet;
     bool discardResult;         // Used for debugging divergence and IC patching
+    Thread *requestingThread;   // For debugging purpose
 } JitTranslationInfo;
 
 typedef enum WorkOrderKind {