Document BindingCodec/Serializer/Deserializer
These interfaces are not documented at all, owing partly to the fact
they are are implementation of mdsal-binding-dom-codec, whose design
currently requires placing codecs into the same class loader as
generated code -- hence they leak to the common binding support
package.
Change-Id: Ib576b9aeddcc644d5b1f44a2047e775cc5266245
JIRA: MDSAL-401
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>
(cherry picked from commit
3c45e3dec46d38b7c6fe121ca23d48ac602fe55f)