Disables DeferAllScriptClientRedirectLoopStopped Linux flake

TBR=tbansal@chromium.org

Bug: 997697
Change-Id: I25b1b67ba8950c8c615b5458895f6eb3eb806233
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1771392Reviewed-by: Doug Arnett <dougarnett@chromium.org>
Commit-Queue: Doug Arnett <dougarnett@chromium.org>
Cr-Commit-Position: refs/heads/master@{#690424}

chrome/browser/previews/defer_all_script_browsertest.cc

@@ -312,6 +312,8 @@ IN_PROC_BROWSER_TEST_F(
                                       true);
 }
 
+// Disable flake on Linux too (via only Android) until crbug/997697 resolved.
+#if defined(OS_ANDROID)
 IN_PROC_BROWSER_TEST_F(
     DeferAllScriptBrowserTest,
     DISABLE_ON_WIN_MAC_CHROMESOS(DeferAllScriptClientRedirectLoopStopped)) {
@@ -340,3 +342,4 @@ IN_PROC_BROWSER_TEST_F(
       "Navigation.ClientRedirectCycle.RedirectToReferrer", 2);
   histogram_tester.ExpectTotalCount("Previews.PageEndReason.DeferAllScript", 3);
 }
+#endif  // defined(OS_ANDROID)