Read later: Ignore talkback for more icon when selects a bookmark row.

When the more icon in BookmarkRow is disabled in selection mode, let
talkback ignores this view.

Bug: 1166730
Change-Id: I657892b0c7c297b5bf5254440ab41ff0d20453a4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2637082Reviewed-by: Theresa  <twellington@chromium.org>
Commit-Queue: Xing Liu <xingliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#844983}

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkRow.java

@@ -114,6 +114,9 @@ public abstract class BookmarkRow
             mMoreIcon.setVisibility(bookmarkItem.isEditable() ? VISIBLE : GONE);
             mMoreIcon.setClickable(!isSelectionModeActive());
             mMoreIcon.setEnabled(mMoreIcon.isClickable());
+            mMoreIcon.setImportantForAccessibility(mMoreIcon.isClickable()
+                            ? IMPORTANT_FOR_ACCESSIBILITY_YES
+                            : IMPORTANT_FOR_ACCESSIBILITY_NO);
         }
     }