Disable HomepagePromoTest#testDismiss_SwipeToDismiss on P+

Bug: 1084756
Change-Id: Ife7f51c22c666d3bf087dba02706718177dc5c97
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2212926
Commit-Queue: Wenyu Fu <wenyufu@chromium.org>
Commit-Queue: Theresa  <twellington@chromium.org>
Auto-Submit: Wenyu Fu <wenyufu@chromium.org>
Reviewed-by: Theresa  <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#771253}

chrome/android/javatests/src/org/chromium/chrome/browser/ntp/cards/promo/HomepagePromoTest.java

@@ -262,6 +262,7 @@ public class HomepagePromoTest {
      */
     @Test
     @SmallTest
+    @DisableIf.Build(sdk_is_greater_than = VERSION_CODES.O, message = "crbug.com/1084756")
     public void testDismiss_SwipeToDismiss() {
         setVariationForTests(LayoutStyle.SLIM);