[sheriff] Disable TestPauseWhenLoadingDevTools on Linux

TBR=treib@chromium.org
NOTRY=true

Bug: 1092924
Change-Id: If9da60f70fc19954493a6ae6bfe082644fe556a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2237721Reviewed-by: Xida Chen <xidachen@chromium.org>
Commit-Queue: Xida Chen <xidachen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#776554}

chrome/browser/devtools/devtools_sanity_browsertest.cc

@@ -1537,8 +1537,8 @@ IN_PROC_BROWSER_TEST_F(DevToolsSanityTest,
 
 // Tests that debugger works correctly if pause event occurs when DevTools
 // frontend is being loaded.
-// Flaky on win: crbug.com/1092924.
-#if defined(OS_WIN)
+// Flaky on win and linux: crbug.com/1092924.
+#if defined(OS_WIN) || defined(OS_LINUX)
 #define MAYBE_TestPauseWhenLoadingDevTools DISABLED_TestPauseWhenLoadingDevTools
 #else
 #define MAYBW_TestPauseWhenLoadingDevTools TestPauseWhenLoadingDevTools