Disable AdTaggingEventFromSubframeBrowserTest.WindowOpenFromSubframe

It's flaky on multiple platforms.

TBR=engedy@chromium.org

Bug: 997410
Change-Id: I3e0cb6afededbdf39d7d225ecb822243d4f6bf14
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1768766Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#690307}

chrome/browser/subresource_filter/ad_tagging_browsertest.cc

@@ -483,8 +483,9 @@ class AdTaggingEventFromSubframeBrowserTest
       public ::testing::WithParamInterface<
           std::tuple<bool /* cross_origin */, bool /* from_ad_subframe */>> {};
 
+// crbug.com/997410. The test is flaky on multiple platforms.
 IN_PROC_BROWSER_TEST_P(AdTaggingEventFromSubframeBrowserTest,
-                       WindowOpenFromSubframe) {
+                       DISABLED_WindowOpenFromSubframe) {
   bool cross_origin;
   bool from_ad_subframe;
   std::tie(cross_origin, from_ad_subframe) = GetParam();