hg: openjfx/jfx-dev/rt: 8214508: [TestBug] [Canvas] Add missing test image.

[ambarish.rapte at oracle.com]

Changeset: 6c3759387af5
Author:    arapte
Date:      2018-11-30 11:54 +0530
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/6c3759387af5

8214508: [TestBug] [Canvas] Add missing test image.
Reviewed-by: aghaisas

+ tests/system/src/test/resources/test/robot/javafx/scene/canvas/image_smoothing_draw_test.png