GPU Calc: implement horizontal ranges as multiple VectorRefs

AMLOEXT-242 Fix

Change-Id: Ia3deb221528230554b7c431e926b10428441666a
GPU Calc: testcases for horizontal ranges

AMLOEXT-242 BUG

Change-Id: I4b87bdf6183ed81ad767550f5cd49aab51531cf2
GPU Calc: turn on parallel sumifs and parallel sum reduce

Change-Id: Id615ea0f5f16a4dfc517aacb30715c2df84553e3