am a5221423: Merge "Fix JDWP thread crash."
am a5221423: Merge "Fix JDWP thread crash."

* commit 'a52214230ad091359956ed7566670963aedf2045':
  Fix JDWP thread crash.

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst