Create 2 phase plan for qualified plain aggregates (no group-by).
Disable tests that rely on Pacific timezone until fixes can be made
DRILL-729: Hash functions for Date, Time and Decimal data types
DRILL-653: Fix serialization of HiveSubScan
DRILL-761: Fix IOBE while dealing with 'null' in VarBinary vector
DRILL-652: Include drillbit log path when running drillbit.sh