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/Android.bp b/runtime/openjdkjvmti/Android.bp
index acdd0d3..a731c17 100644
--- a/runtime/openjdkjvmti/Android.bp
+++ b/runtime/openjdkjvmti/Android.bp
@@ -21,6 +21,7 @@
            "object_tagging.cc",
            "OpenjdkJvmTi.cc",
            "ti_class.cc",
+           "ti_class_definition.cc",
            "ti_field.cc",
            "ti_heap.cc",
            "ti_jni.cc",