RFR (XS) : 8063157 : add targets for optimized builds

[Igor Ignatyev]

http://cr.openjdk.java.net/~iignatyev/8063157/webrev.00/
8 lines changed: 4 ins; 0 del; 4 mod;

Hi all,

Please review the patch which adds optimized build targets and removes 
mentions of optimized builds from 'jprt.properties' in the top level 
repo. we did the same in hotspot by 8056072, but after the switch to 
'full jdk' we need this change in the top level repo as well.

jbs: https://bugs.openjdk.java.net/browse/JDK-8063157

RFR thread for 8056072 : 
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2014-August/015299.html
-- 
Igor