PHOENIX-6327 Consolidate Junit test categories (addendum: restore -Xmx3000 option for ParallelStatsDisabledTest)
PHOENIX-6327 Consolidate Junit test categories (addendum: restore -Xmx3000 option for ParallelStatsDisabledTest)

apache/phoenix,apache/phoenix,apurtell/phoenix,ankitsinghal/phoenix,ankitsinghal/phoenix,apurtell/phoenix,ankitsinghal/phoenix,apache/phoenix,apache/phoenix,apurtell/phoenix,apurtell/phoenix,ankitsinghal/phoenix,ankitsinghal/phoenix,apache/phoenix,apurtell/phoenix