[8u60] Code Review Request For RT-39547: [ES2, 3D] Shader fails on embedded devices with no default precision defined

[Chien Yang]

Hi Dave, Jim, Kevin and Vadim,

Please review and test the proposed fix if you have an embedded setup.

JIRA: https://javafx-jira.kenai.com/browse/RT-39547
Webrev: http://cr.openjdk.java.net/~ckyang/RT-39547/webrev.00/

Thanks,
- Chien