DRILL-2489: Throw exception from remaining methods for closed JDBC objects.
Refactored unit test to check all methods per interface. (Replaced individual,
static test methods with bulk reflection-based checking.)
[Drill2489CallsAfterCloseThrowExceptionsTest]
Added DrillResultSetMetaDataImpl.
Added method overrides to check state for remaining methods from Connection,
Statement, PreparedStatement, ResultSet, ResultSetMetaData and DatabaseMetaData.
Also:
- renamed checkNotClosed to throwIfClosed.
