chromeos: moves more ash tests to run on mash

ash/sticky_keys/sticky_keys_overlay_unittest.cc

Index: ash/sticky_keys/sticky_keys_overlay_unittest.cc
diff --git a/ash/sticky_keys/sticky_keys_overlay_unittest.cc b/ash/sticky_keys/sticky_keys_overlay_unittest.cc
index c6e2f5bccdcb3a555b9ed5816439fb71fd7b1151..ddede546736aaa4676eaa068280b64b44cd70439 100644
--- a/ash/sticky_keys/sticky_keys_overlay_unittest.cc
+++ b/ash/sticky_keys/sticky_keys_overlay_unittest.cc
@@ -56,6 +56,10 @@ TEST_F(StickyKeysOverlayTest, OverlayNotDestroyedAfterDisplayRemoved) {
       display_manager()->GetCurrentDisplayIdList();
   int64_t primary_display_id = display_ids[0];
   int64_t secondary_display_id = display_ids[1];
+  // TODO: disabled as ScreenRotationAnimator does not work in mash,
+  // http://crbug.com/696754.
+  if (WmShell::Get()->IsRunningInMash())
+    return;
   display_manager()->SetLayoutForCurrentDisplays(
       display::test::CreateDisplayLayout(display_manager(),
                                          display::DisplayPlacement::LEFT, 0));