RFR: 8201327: Make Sensor deeply immutably thread safe

[Alan Bateman]

On 09/04/2018 18:54, Martin Buchholz wrote:
> Another little cleanup to make Google's race detector happy.
>
> 8201327: Make Sensor deeply immutably thread safe
> http://cr.openjdk.java.net/~martin/webrevs/jdk/Sensor-init/ 
> <http://cr.openjdk.java.net/%7Emartin/webrevs/jdk/Sensor-init/>
> https://bugs.openjdk.java.net/browse/JDK-8201327
>
This looks okay to me, except maybe the "initially false" and "initially 
0" comments as they are just documenting the default values and don't 
add anything.

-Alan.