hg: openjfx/8u-dev/rt: RT-37594: Make lens build optional

[david.hill at oracle.com]

Changeset: 1f068eb07b58
Author:    ddhill
Date:      2014-06-24 09:50 -0400
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/1f068eb07b58

RT-37594: Make lens build optional
Reviewed-by: kcr

! build.gradle
! buildSrc/armv5sf.gradle
! buildSrc/armv6hf.gradle
! buildSrc/armv6sf.gradle
! buildSrc/armv7hf.gradle
! buildSrc/armv7sf.gradle
! buildSrc/x86egl.gradle