[8u60] Code Review Request For RT-39666: Add GL_FRAGMENT_PRECISION_HIGH check to existing 2D shaders before setting precision to highp

[Chien Yang]

Hi Kevin and Dave,

Please review this fix.

JIRA: https://javafx-jira.kenai.com/browse/RT-39666
Webrev: http://cr.openjdk.java.net/~ckyang/RT-39666/webrev.00/

Thanks,
- Chien