[LayoutNG] Skip 'text-justify' tests since no active plans to ship

The 'text-justify' property was implemented under the runtime
flag but currently there are no active plans to ship.

This patch skips tests for the property.

TBR=eae@chromium.org
NOTRY=true

Bug: 591099
Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_layout_ng
Change-Id: Iccbdf6087be326c934ab5dbdde965c9b2a12b4ac
Reviewed-on: https://chromium-review.googlesource.com/1142051
Commit-Queue: Koji Ishii <kojii@chromium.org>
Reviewed-by: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576129}

third_party/WebKit/LayoutTests/FlagExpectations/enable-blink-features=LayoutNG

@@ -39,6 +39,9 @@ crbug.com/636993 external/wpt/css/css-text-decor/text-decoration-color.html [ Fa
 # rightsizing-grid.html is truly flaky, show flakiness on reload
 crbug.com/591099 svg/wicd/rightsizing-grid.html [ Failure Pass ]
 
+# Features that do not have active plans to support or turn on.
+crbug.com/591099 fast/css3-text/css3-text-justify/text-justify-distribute.html [ Skip ]
+
 # New passes
 crbug.com/774229 editing/pasteboard/copy-paste-white-space.html [ Pass ]
 crbug.com/591099 external/wpt/css/CSS2/floats-clear/no-clearance-adjoining-opposite-float.html [ Pass ]
@@ -545,7 +548,6 @@ crbug.com/591099 fast/css3-text/css3-text-indent/negative-text-indent-leading-ou
 crbug.com/591099 fast/css3-text/css3-text-indent/negative-text-indent-leading-out-of-flow.html [ Failure ]
 crbug.com/591099 fast/css3-text/css3-text-indent/text-indent-leading-out-of-flow.html [ Failure ]
 crbug.com/591099 fast/css3-text/css3-text-indent/text-indent-out-of-flow-each-line-hanging.html [ Failure ]
-crbug.com/591099 fast/css3-text/css3-text-justify/text-justify-distribute.html [ Failure ]
 crbug.com/591099 fast/dom/HTMLAreaElement/area-download.html [ Failure ]
 crbug.com/714962 fast/dom/Range/getBoundingClientRect-linebreak-character.html [ Failure ]
 crbug.com/591099 fast/dom/nodesFromRect/nodesFromRect-basic.html [ Failure ]