Expand reporting API layout test suppression.

  virtual/reporting-api/external/wpt/content-security-policy/reporting-api/
    reporting-api-doesnt-send-reports-without-violation.https.sub.html

is flakily timing out / crashing on essentially all platforms.
Simplify suppression.

Bug: 626703, 850170
Change-Id: I69a010337561cd8e5f794aa9673d1ec42cc126c6
Tbr: mpearson@chromium.org
Tbr: andypaicu@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/1121833Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#571799}

third_party/WebKit/LayoutTests/TestExpectations

@@ -2804,7 +2804,6 @@ crbug.com/626703 external/wpt/html/editing/focus/sequential-focus-navigation-and
 crbug.com/626703 [ Mac10.12 Mac10.13 ] external/wpt/compat/webkit-text-fill-color-property-002.html [ Failure ]
 crbug.com/626703 external/wpt/html/editing/focus/focus-02.html [ Timeout ]
 crbug.com/626703 external/wpt/html/editing/focus/sequential-focus-navigation-and-the-tabindex-attribute/focus-tabindex-order.html [ Timeout ]
-crbug.com/626703 [ Win10 ] virtual/reporting-api/external/wpt/content-security-policy/reporting-api/reporting-api-doesnt-send-reports-without-violation.https.sub.html [ Timeout ]
 crbug.com/626703 external/wpt/html/editing/focus/sequential-focus-navigation-and-the-tabindex-attribute/focus-tabindex-positive.html [ Timeout ]
 crbug.com/626703 external/wpt/html/editing/focus/focus-01.html [ Timeout ]
 crbug.com/626703 external/wpt/html/editing/focus/sequential-focus-navigation-and-the-tabindex-attribute/focus-tabindex-zero.html [ Timeout ]
@@ -3197,7 +3196,6 @@ crbug.com/626703 external/wpt/css/vendor-imports/mozilla/mozilla-central-reftest
 crbug.com/626703 external/wpt/css/mediaqueries/viewport-script-dynamic.html [ Failure ]
 crbug.com/626703 external/wpt/css/css-fonts/font-variant-05.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-cascade/important-prop.html [ Failure ]
-crbug.com/626703 [ Linux ] virtual/reporting-api/external/wpt/content-security-policy/reporting-api/reporting-api-doesnt-send-reports-without-violation.https.sub.html [ Timeout ]
 crbug.com/626703 external/wpt/css/css-writing-modes/available-size-014.html [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/available-size-013.html [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/available-size-016.html [ Failure ]
@@ -4665,7 +4663,7 @@ crbug.com/850206 virtual/stable/webexposed/global-interface-listing.html [ Pass
 crbug.com/849978 http/tests/devtools/elements/styles-4/stylesheet-source-url-comment.js [ Pass Failure ]
 
 # Sheriff 2018-06-08
-crbug.com/850170 [ Mac ] virtual/reporting-api/external/wpt/content-security-policy/reporting-api/reporting-api-doesnt-send-reports-without-violation.https.sub.html [ Pass Timeout ]
+crbug.com/850170 virtual/reporting-api/external/wpt/content-security-policy/reporting-api/reporting-api-doesnt-send-reports-without-violation.https.sub.html [ Pass Crash Timeout ]
 crbug.com/851090 virtual/mouseevent_fractional/fast/events/middleClickAutoscroll-click-hyperlink.html [ Pass Failure ]
 
 # Sheriff 2018-06-11