Sink device not displaying PIN when connect from source 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.

CRs-Fixed: 713468

Change-Id: I8f341d0d35ce304cf15e18f31f86f20bccea0e48
1 file changed
tree: f1c9818f99f5d102883b8c17dbd2942cf12b5208
  1. service/