Fix oatexec to not print uncaught exceptions twice.
Fix oatexec to not print uncaught exceptions twice.

Change-Id: I7af0859cf4c981f1dc6fb9e0940ef17897951cc1

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