Sheriff: Disable the test on all bots

TBR=skobes@chromium.org

Bug: 1098148
Change-Id: I13e6a6fd51735ff6ef6e162b93564f5585c2584e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2259397Reviewed-by: Hayato Ito <hayato@chromium.org>
Commit-Queue: Hayato Ito <hayato@chromium.org>
Cr-Commit-Position: refs/heads/master@{#781236}

chrome/browser/page_load_metrics/integration_tests/first_scroll_delay_browsertest.cc

@@ -12,12 +12,7 @@
 using ukm::builders::PageLoad;
 
 // http://crbug.com/1098148
-#if defined(OS_MACOSX)
-#define MAYBE_FirstScrollDelay DISABLED_FirstScrollDelay
-#else
-#define MAYBE_FirstScrollDelay FirstScrollDelay
-#endif
-IN_PROC_BROWSER_TEST_F(MetricIntegrationTest, MAYBE_FirstScrollDelay) {
+IN_PROC_BROWSER_TEST_F(MetricIntegrationTest, DISABLED_FirstScrollDelay) {
   LoadHTML(R"HTML(
 <div id="content">
   <p>This is some text</p>