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

Change-Id: I8535d5a91c0539553850c92a407a745a4c7f706b