Require bonding and encryption for PBAP server

The Phonebook Access Profile specification requires bonding and
encryption. For devices not supporting SSP (Secure Simple Pairing),
InsecureRfcomm will require neither. Adding EncryptedRfcomm to force
bonding and encryption but not requiring authenticated link key.

Change-Id: If47cca9c5ffd89358bcd61d64f7785d17e0ca7cc
1 file changed