Ensure that custom actions are available to all apps items

-> When BubbleTextViews were being recycled, the RecyclerView was clearing the
   AccessibilityDelegate. Ensure that this is reset by the adapter when a
   BubbleTextView is reused.

issue 25948877

(cherry picked from commit 6e92f053)

Change-Id: I5f0773333186e5ffe4600f49330b4390cd3fbaeb