Disable opaque JNI Ids for now.

They fail on gcstress.
Test: test.py --debuggable --gcstress
Bug: 134162467

Change-Id: If57dd2fe6b57abd92b6a67383eeb8f8d5d8e3b2e
diff --git a/test/testrunner/testrunner.py b/test/testrunner/testrunner.py
index 379b2c6..4872226 100755
--- a/test/testrunner/testrunner.py
+++ b/test/testrunner/testrunner.py
@@ -435,7 +435,7 @@
         options_test += ' --no-image'
 
       if debuggable == 'debuggable':
-        options_test += ' --debuggable --runtime-option -Xopaque-jni-ids:true'
+        options_test += ' --debuggable'
 
       if jvmti == 'jvmti-stress':
         options_test += ' --jvmti-trace-stress --jvmti-redefine-stress --jvmti-field-stress'