[CALCITE-3000] Improve SqlUserDefinedFunction and SqlUserDefinedTable…

[pengzhiwei2018]

…Function to support overload method call

[pengzhiwei2018]

This PR has improved SqlUserDefinedFunction & SqlUserDefinedTableFunction to support overload method call for both user-defined scalar function and table function.
Here is the mainly change list:
(1) Add SqlUtil#findBestMatchMethod to support find best matched method in the function class.
(2) Support dynamic type inference according to the calling argument types based on (1).(SqlFunction#getReturnTypeInferenceForClass、SqlFunction#getOperandTypeInferenceForClass and SqlFunction#getOperandTypeCheckerForClass)
(3) Add argTypes and typeFactory parameters to ImplementableFunction#getImplementor to create CallImplementor according to the argument types.
(4) Add argTypes and typeFactory parameters to TableFunction#getRowType to infer return type according to the argument types.
(5) Add JavaScalarFunction and JavaTableFunction to represent the class-level function schema mapping a java class.