BDN benchmark for custom operations.

[yrajas]

Benchmark for all custom operations

• Added custom procedure benchmark
• Added custom raw string command benchmark
• Moved custom object command and custom transaction from ObjectOperations to CustomOperations

main

Method	Params	Mean	Error	StdDev	Allocated
CustomProcSet	None	70.30 us	1.117 us	0.933 us	-

Method	Params	Mean	Error	StdDev	Gen0	Allocated
MyDictSetGet	None	120.8 us	2.39 us	2.94 us	0.2441	23.44 KB

main's CustomProcSet maps to PR's CustomTransaction
main's MyDictSetGet maps to PR's CustomObjectCommand

PR

Method	Params	Mean	Error	StdDev	Median	Gen0	Allocated
CustomRawStringCommand	None	30.80 us	0.484 us	0.429 us	30.82 us	-	-
CustomObjectCommand	None	124.61 us	2.441 us	3.654 us	124.42 us	0.2441	24000 B
CustomTransaction	None	73.31 us	1.456 us	1.495 us	73.54 us	-	-
CustomProcedure	None	57.40 us	1.127 us	1.206 us	57.22 us	-	-