Modified the Actors to use the "coder" to serialize requests
instead of defaulting to the HttpClient serialization provider.
Decided to just pretty-print the requests since that can be used for
both logging and transmission, which avoids serializing the request twice.
Issue-ID: POLICY-2601
Change-Id: I190ed19dd852a1aa66156b358cbc97c3b121af1f
Signed-off-by: Jim Hahn <jrh3@att.com>