Disable CacheCounterTest.Empty

Randomly crashes on Win 7 Tests x64 (1)
https://ci.chromium.org/p/chromium/builders/ci/Win%207%20Tests%20x64%20%281%29/b8862779006945233296

TBR=rohitrao@chromium.org

No-Try: true
Bug: 1152289
Change-Id: I8007bb02997d230a66a78fda17b18c3c466f327b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2557279
Commit-Queue: Yuki Yamada <yukiy@chromium.org>
Reviewed-by: Yuki Yamada <yukiy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#830481}

ios/chrome/browser/browsing_data/cache_counter_unittest.cc

@@ -239,7 +239,9 @@ class CacheCounterTest : public PlatformTest {
 };
 
 // Tests that for the empty cache, the result is zero.
-TEST_F(CacheCounterTest, Empty) {
+// Disabled because this test randomly crashes on Win 7 Tests x64 (1).
+// See: https://crbug.com/1152289
+TEST_F(CacheCounterTest, DISABLED_Empty) {
   CacheCounter counter(browser_state());
   counter.Init(prefs(), browsing_data::ClearBrowsingDataTab::ADVANCED,
                base::BindRepeating(&CacheCounterTest::CountingCallback,