Sink device not displaying PIN when connect using WPS_KEYPAD option

Sink device is not displaying PIN when trying to connect from source
using WPS_KEYPAD connection option .The code for displaying PIN was
missing in Process message for the event P2P_PROV_DISC_SHOW_PIN_EVENT
in WifiServiceImpl file. Added code for the same.

Change-Id: I5a5d412fd3aa21f5e12cbc3990f6a5c6029364fc
1 file changed
tree: 7b8b61f53395b58b4daf1be3d1d715fb8f1bf585
  1. service/