latona: selinux: refine rild and pvr perms. (Changes from t1 device)

Change-Id: Id899d807beb446fe962af5160caa67fefa8d6447
Signed-off-by: David Rodero <david@codiguiel.net>
latona: refine sepolicies with changes from t1 device and add missing wpa_supplicant policy file.

Change-Id: Ie4a4ee078fa564930720af9e2f8d6ab17e573efc
Signed-off-by: David Rodero <david@codiguiel.net>