face: Fixing a bug in UdpChannel with missing async_receive

In cases when UdpChannel dispatches received UDP packet to a newly
created UdpFace, the Channel failed to resume reception of datagram on
the channel.

Change-Id: If876dacc237bd0a6a660d4d88581959782dc349b
face: Incrementing Face counters

Change-Id: Ia1d7917bb52cf01ab2ff304638bc9f6cbdb2626f
Refs: #1178