[8u60] RFR 8069302 Deprecate Unsafe monitor methods in JDK 8u release

[John Rose]

+1; do it.

> On Jan 21, 2015, at 2:35 AM, Paul Sandoz <paul.sandoz at oracle.com> wrote:
> 
> Hi,
> 
> The Unsafe monitor methods monitorEnter. monitorExit and tryMonitorEnter were removed from JDK 9 [1].
> 
> I would like to mark those methods as deprecated in 8u60. I doubt no one will notice :-) but it's the correct thing to do.
> 
> Paul.
> 
> [1] http://hg.openjdk.java.net/jdk9/hs-rt/jdk/rev/0a0a0986400e