Workaround issue with latest version of RecyclerView which is overriding our...

Workaround issue with latest version of RecyclerView which is overriding our custom accessibility delegate

-> Not the prettiest fix, but we only ever use the LauncherAccessibilityDelegate for BubbleTextViews,so anything else getting set here is incorrect. Stop-gap until we root cause the RV issue and decide whether there's a fix there, or a better way to ensure Launcher behaves correctly.

issue 129745295

Change-Id: I27cf79fda9edc2bebeda4728b776ab292caa141d