[Sheriff][Android] Disable IndexedDBBrowserTest.ConnectionsClosedOnTabClose

Reason: fails on builders.

Builder links:
https://ci.chromium.org/p/chromium/builders/ci/Marshmallow%2064%20bit%20Tester/33104
https://ci.chromium.org/p/chromium/builders/ci/Lollipop%20Phone%20Tester/26554

TBR=enne@chromium.org

Bug: 1116464
Change-Id: Ia7bf9b0be040e2aaa1a1d61f922e41547332da32
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2355927Reviewed-by: Boris Sazonov <bsazonov@chromium.org>
Commit-Queue: Boris Sazonov <bsazonov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798131}

content/browser/indexed_db/indexed_db_browsertest.cc

@@ -1086,9 +1086,9 @@ IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTest,
                           "pass - part3 - rolled back");
 }
 
-// crbug.com/427529
-// Disable this test for ASAN on Android because it takes too long to run.
-#if defined(ANDROID) && defined(ADDRESS_SANITIZER)
+// Disable this test on Android due to failures. See crbug.com/427529 and
+// crbug.com/1116464 for details.
+#if defined(ANDROID)
 #define MAYBE_ConnectionsClosedOnTabClose DISABLED_ConnectionsClosedOnTabClose
 #else
 #define MAYBE_ConnectionsClosedOnTabClose ConnectionsClosedOnTabClose