8064356: Add BaseRowSet, SQLInputImpl, and SQLOutputImpl tests

jdk/test/javax/sql/testng/test/rowset/BaseRowSetTests.java

...avax/sql/testng/test/rowset/serial/SQLInputImplTests.java

...vax/sql/testng/test/rowset/serial/SQLOutputImplTests.java

jdk/test/javax/sql/testng/util/StubBaseRowSet.java

jdk/test/javax/sql/testng/util/StubNClob.java

jdk/test/javax/sql/testng/util/StubRowId.java

jdk/test/javax/sql/testng/util/StubSQLXML.java

jdk/test/javax/sql/testng/util/SuperHero.java

jdk/test/javax/sql/testng/util/TestRowSetListener.java

jdk/test/javax/sql/testng/util/TestSQLDataImpl.java