Use original dex file for retransformation.

The spec requires us to pass the dex file as it appeared before any
retransformation-capable agents had modified it to the
ClassFileLoadHooks when RetransformClasses is called. We do this by
saving the initial dex file bytes into the class as a byte[].

Bug: 32369916
Test: mma -j40 test-art-host

Change-Id: Ic6af3738cd2a831e91ba1144f502fa58b3c333e4
diff --git a/runtime/openjdkjvmti/transform.h b/runtime/openjdkjvmti/transform.h
index 0ff2bd1..65f2ae1 100644
--- a/runtime/openjdkjvmti/transform.h
+++ b/runtime/openjdkjvmti/transform.h
@@ -37,6 +37,7 @@
 #include <jni.h>
 
 #include "art_jvmti.h"
+#include "ti_class_definition.h"
 #include "jvmti.h"
 
 namespace openjdkjvmti {