hg: jdk/sandbox: 8203817: Monitor::try_lock() should not call check_prelock_state()

[chris.hegarty at oracle.com]

Changeset: 5aaf3a471172
Author:    pliden
Date:      2018-05-28 09:59 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/5aaf3a471172

8203817: Monitor::try_lock() should not call check_prelock_state()
Reviewed-by: dholmes, eosterlund, rehn

! src/hotspot/share/runtime/mutex.cpp
! src/hotspot/share/runtime/mutex.hpp