Bug 1559848 - add viewport-no-resize-event-on-overflow-recalc.html expectancy r=aryx

Differential Revision: https://phabricator.services.mozilla.com/D50653

--HG--
extra : moz-landing-system : lando

testing/web-platform/tests/visual-viewport/viewport-no-resize-event-on-overflow-recalc.html.ini

@@ -0,0 +1,4 @@
+[viewport-no-resize-event-on-overflow-recalc.html]
+  expected: TIMEOUT
+  [Resize event not fired at window.visualViewport when content is added]
+    expected: NOTRUN