relax optional 'description' to also allow empty

description is an optional field, CLAMP users, may not populate
it and send an empty string value

    description: ''

This change removes the requirement to be a non-empty string when
present.

Issue-ID: POLICY-2503
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
Change-Id: I0c80368b5b6aa5fe5b1c25516cb9ba0a677d7b9a
1 file changed