Disable flaky NavigateTest#testRequestDesktopSiteSettingPers test

TBR: yfriedman@chromium.org
Bug: 879153
Change-Id: I479320dbad98fc155598e89c28db5286f1bb6f38
Reviewed-on: https://chromium-review.googlesource.com/1199143Reviewed-by: Alexandr Ilin <alexilin@chromium.org>
Commit-Queue: Alexandr Ilin <alexilin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587979}

chrome/android/javatests/src/org/chromium/chrome/browser/NavigateTest.java

@@ -250,6 +250,7 @@ public class NavigateTest {
     @Test
     @MediumTest
     @Feature({"Navigation"})
+    @DisabledTest(message = "crbug.com/879153")
     @RetryOnFailure
     public void testRequestDesktopSiteSettingPers() throws Exception {
         String url1 = mTestServer.getURL("/chrome/test/data/android/google.html");