Add some Adobe-Japan1-0 code points.

Add some Adobe-Japan1-0 code points.
(U+52AA): Use `->subsumptive' to separate representative nodes.
(U+52C6): Add ideographic-structure; use `->denotational' instead of
`->subsumptive'.
(JC-44EC): Unify HD-IB0303.
(U+52D8): Add ideographic-structure.
(U-00020895): Use `->denotational' instead of `->subsumptive'.
(U+52ED): Add ideographic-structure.
(U+52F6): Likewise.
(U-000208BA): Use `->denotational' instead of `->subsumptive'.