Merge "Refactored the UserRecyclerGridView to use PagedListView from the car...

Merge "Refactored the UserRecyclerGridView to use PagedListView from the car support library.  This also surfaced a scrollbar. Additionally, added a touch ripple when you touch a user's picture and disabled the user buttons once a profile is selected" into pi-dev am: 575fc02e
am: 71d12071

Change-Id: I7ef6eefe0ac43343d6354a81d20652cb22d62177