Fix MAP SDP record generation [2/3].

Give the bluetooth app API to register a server socket for a specific
UUID/port pair. It needs that for registering two OBEX server instances.

Change-Id: I6ede7f2777040af4e653eceb14ea47a2c03abfae
Merge "Fix MAP SDP record generation [2/3]." into cm-10.1
Merge remote branch 'cm/cm-10.1' into cm-10.1