Implement JDWP InvokeMethod and breakpoints on exception throwing.

Change-Id: I1142bee843104f0850fd7270752104d5d73a44f0
diff --git a/src/check_jni.cc b/src/check_jni.cc
index 037edfc..570e937 100644
--- a/src/check_jni.cc
+++ b/src/check_jni.cc
@@ -34,7 +34,7 @@
 
 void JniAbort(const char* jni_function_name) {
   Thread* self = Thread::Current();
-  const Method* current_method = self->GetCurrentMethod();
+  Method* current_method = self->GetCurrentMethod();
 
   std::ostringstream os;
   os << "Aborting because JNI app bug detected (see above for details)";