update Play Services to 4.3.23

Change-Id: I278a5cead083ef9192c3a121e1c68cb7ba7aee3b
Signed-off-by: Roman Birg <roman@cyngn.com>
external/google: add Play Services definition

Change-Id: Ie5eb19177bede66ddfc88bd6ff5b253f1134179f
Signed-off-by: Roman Birg <roman@cyngn.com>