hg: openjfx/8u-dev/rt: Revert fix for RT-38457 which broke several tests using the StubToolkit

[kevin.rushforth at oracle.com]

Changeset: dec228482740
Author:    kcr
Date:      2014-08-29 13:52 -0700
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/dec228482740

Revert fix for RT-38457 which broke several tests using the StubToolkit
Backed out changeset 5e65b34a175b

! modules/graphics/src/main/java/com/sun/javafx/application/PlatformImpl.java
- tests/system/src/test/java/com/sun/javafx/application/SceneGraphThread1Test.java
- tests/system/src/test/java/com/sun/javafx/application/SceneGraphThread2Test.java
- tests/system/src/test/java/com/sun/javafx/application/SceneGraphThread3Test.java
- tests/system/src/test/java/com/sun/javafx/application/SceneGraphThread4Test.java
- tests/system/src/test/java/com/sun/javafx/application/SceneGraphThreadCommon.java