Bug fixes October 26th

Bug fixes October 26th

Set non-custom health diagnostic check code to a default value.
created custom java serialization for SimpleUri
changed property value for cloud-owner in unit test
converted aai call to use the AAI Client
Correct a JUnit data file to include userParams values that are
expected to be set.
Set userParams on requestContext to parameters that need to be passed
to downstream systems.

Change-Id: I3974691875ef967f90a15f076ae27bc0cd76ee8e
Issue-ID: SO-1169
Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>