Revert "Revert "Ensure Proxy frames work with JVMTI stack frame functions""

This reverts commit d108d9eaae26df9e4480cf46d26e8c75f142bd6a.

It seems we have a bug somewhere in our proxy or stack-visitor code
causing StackVisitor::GetThisObject to return an object with a null
klass_. Added a temporary skip for the test configurations that expose
this until it can be fixed.

Bug: 66903662
Bug: 67679263

Reason for revert: Added skip for test that exposes a pre-existing bug
in our stack-visitor/proxy-object support.

Test: ./test.py --host -j40
Test: ./test/testrunner/testrunner.py --host --gcstress -t 1939

Change-Id: I8a457112af404c3f4c94e3a2029b744d453ced5d
diff --git a/openjdkjvmti/ti_stack.cc b/openjdkjvmti/ti_stack.cc
index d4cc42a..e0c1399 100644
--- a/openjdkjvmti/ti_stack.cc
+++ b/openjdkjvmti/ti_stack.cc
@@ -789,7 +789,7 @@
   }
 
   *method_ptr = art::jni::EncodeArtMethod(closure.method);
-  if (closure.method->IsNative()) {
+  if (closure.method->IsNative() || closure.method->IsProxyMethod()) {
     *location_ptr = -1;
   } else {
     if (closure.dex_pc == art::dex::kDexNoIndex) {