Extracted number picker (non public) from older android source and
included it into this project to remain compatible with devices api
level < 11. Devices api level > 11 will use native number pickers as the
are public facing in the sdk
Change-Id: I7cf7cba066b25516e90bd9951f4de7964b7fd613
Signed-off-by: Ricky Barrette <rickbarrette@gmail.com>
