message: Support get/set dimension size hlos in the Hlo matcher.
diff: @@ -231,6 +231,7 @@ HLO_MATCHER(Fft);
  HLO_MATCHER(Floor);
  HLO_MATCHER(Fusion);
  HLO_MATCHER(Gather);
  +HLO_MATCHER(GetDimensionSize);
  HLO_MATCHER(Infeed);
  HLO_MATCHER(Iota);
  HLO_MATCHER(IsFinite);
  @@ -261,6 +262,7 @@ HLO_MATCHER(Select);
  HLO_MATCHER(SelectAndScatter);
  HLO_MATCHER(Send);
  HLO_MATCHER(SendDone);
  +HLO_MATCHER(SetDimensionSize);
  HLO_MATCHER(ShiftLeft);
  HLO_MATCHER(ShiftRightArithmetic);
  HLO_MATCHER(ShiftRightLogical);
  