rfc4867 8.2:
octet-align: Permissible values are 0 and 1. If 1, octet-aligned
operation SHALL be used. If 0 or if not present,
bandwidth-efficient operation is employed.
We don't have any support for AMR BE mode, but if we don't
send this the other end expects BE mode and can't decode the stream
Change-Id: I938758ac4ec55db9223e3da6c3c277e8fa670055
The codec negotiation is still a huge todo and the initial version
will be far from perfect. We will use whatever MNCC has decided on
and then see if it is compatible in the end.