decouple SW FLP and HW FLP overlay flags

currently there is only overlay flag shared by SW FLP and HW FLP. This
change allows having different overlay setting for sw / hw FLPs.

Change-Id: I643fa70380e7568ae851d23e87917a5b4b599fe8
CRs-Fixed: 622338
(cherry picked from commit a43e60ad8207d9cee3af49bfd2356062a33e5672)
Keyguard: Fix "Show more than a "." when input wrong PIN code" issue

The format string msim_kg_sim_pin_msg_format has one ".", while the
parameter string msg also has one ".".

We will delete "." of the the format string msim_kg_sim_pin_msg_format.

CRs-Fixed: 640322

Change-Id: Ifcef1887db27a3dd47c4e679b5135cf83cf10fe8
(cherry picked from commit 11b4f60f5dbc8daccd870a666cc95ece59e43182)