sheriff: disable a flaky SitePerProcess test

Bug: 1115096
Change-Id: I2ae66d66ec6c13c4fde46a52af6995c10e58953f
Tbr: alexmos@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2348533Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#796835}

content/browser/site_per_process_browsertest.cc

@@ -13615,8 +13615,10 @@ class SitePerProcessBrowserTestWithoutSadFrameTabReload
   base::test::ScopedFeatureList feature_list_;
 };
 
-IN_PROC_BROWSER_TEST_P(SitePerProcessBrowserTestWithoutSadFrameTabReload,
-                       ChildFrameCrashMetrics_ScrolledIntoViewAfterTabIsShown) {
+// Flaky everywhere: https://crbug.com/1115096
+IN_PROC_BROWSER_TEST_P(
+    SitePerProcessBrowserTestWithoutSadFrameTabReload,
+    DISABLED_ChildFrameCrashMetrics_ScrolledIntoViewAfterTabIsShown) {
   // Start on a page that has a single iframe, which is positioned out of
   // view, and navigate that iframe cross-site.
   GURL main_url(