bug22319: (test only) materializer not inferring rdfs:subClassOf reflexivity

tests added    : no (changed)
tests run      : agtest.sh 2
performance    : no change on the Java side
release note   : none (test only)

Update materializeOverDefaultGraph, materializeOverDefaultGraphTransactional and
materializeOverDefaultGraphUseTypeSubproperty to account for materializer
improvements.

Change-Id: I4c2209956a6ca2285c0f8ee60fb772bc1e45c38e
Reviewed-on: https://gerrit.franz.com:9080/3824
Reviewed-by: Ahmon Dancy <dancy@franz.com>
Reviewed-by: John O'Rourke <jor@franz.com>
Tested-by: Kevin Layer <layer@franz.com>
Merge remote branch 'origin/v4.14' into v4.50