pass only the opcode for profiling

Heavy hitter instructions:
 #  Instruction  Time(s)  Count
 1  ooc_rblk       0.055      1
 2  toString       0.049      2
 3  print          0.016      2
 4  createvar      0.013      3
 5  ooc_ceil       0.001      1
 6  rmvar          0.000      3

Author: j143

src/main/java/org/apache/sysds/runtime/instructions/ooc/UnaryOOCInstruction.java

@@ -35,7 +35,7 @@ public static UnaryOOCInstruction parseInstruction(String str) {
         System.out.println("Here at UnaryOOCInstruction parseInstruction");
 
         UnaryOperator uopcode = InstructionUtils.parseUnaryOperator(opcode);
-        return new UnaryOOCInstruction(OOCType.Unary, uopcode, in1, out, str, str);
+        return new UnaryOOCInstruction(OOCType.Unary, uopcode, in1, out, opcode, str);
     }
 
     public void processInstruction( ExecutionContext ec ) {