ART: Do not handle RETURN monitor-stack issue as throwing

The IllegalMonitorStateException on mismatch cannot be caught in
the method itself, as it logically happens after the RETURN.

Bug: 121245951
Bug: 137030260
Test: m test-art-host
Test: m
Change-Id: I981398bb7d235dfcef408b864e281df08eacc835
1 file changed