Remove AccessibilityAction.ACTION_CLICK from AbsListView.

AbsListView is always setClickable(true) for get clicks
and show ripple effect on clicked items. It is confusing
for accessibility because ListView has ACTION_CLICK
but does nothing important for user.

part of b/21305287

Change-Id: Ie9433a0bffcf1a469f16575a7a130ff953d80283