Change pinot-admin memory size
Change pinot-admin memory size

RB=679797
G=pinot-dev-reviewers
R=mshrivas
A=kgopalak,mshrivas

apucher/pinot,linkedin/pinot,tkao1000/pinot,apucher/pinot,apucher/pinot,tkao1000/pinot,fx19880617/pinot-1,tkao1000/pinot,sajavadi/pinot,fx19880617/pinot-1,sajavadi/pinot,linkedin/pinot,fx19880617/pinot-1,sajavadi/pinot,apucher/pinot,sajavadi/pinot,sajavadi/pinot,linkedin/pinot,apucher/pinot,tkao1000/pinot,fx19880617/pinot-1,linkedin/pinot,tkao1000/pinot,fx19880617/pinot-1,linkedin/pinot