Allow mixing of thread offsets between 32 and 64bit architectures.

Begin a more full implementation x86-64 REX prefixes.
Doesn't implement 64bit thread offset support for the JNI compiler.

Change-Id: If9af2f08a1833c21ddb4b4077f9b03add1a05147
diff --git a/runtime/debugger.cc b/runtime/debugger.cc
index 024f830..2872a02 100644
--- a/runtime/debugger.cc
+++ b/runtime/debugger.cc
@@ -1924,7 +1924,7 @@
   if (error != JDWP::ERR_NONE) {
     return error;
   }
-  thread->Interrupt();
+  thread->Interrupt(soa.Self());
   return JDWP::ERR_NONE;
 }