Implement PROVIDED_BLOCKBUILDER return place convention for scalar function

[findepi]

Currently the only return place convention for scalar function is STACK, and the callee will append the results value on stack into the result BlockBuilder (for out-most function call) or use it to invoke other functions (for inner/nested function call like f(g(x))).

For functions returns Slice and Block, this return place convention usually result in copying the data twice -- once generate the data, once copy the data into the output BlockBuilder.

This commit implements PROVIDED_BLOCK return place convention to allow scalar function implementation choice to directly write to the desired place. Similar to the BLOCK_POSITION null convention, a implementation choice used default STACK return place convention must be implemented. Besides STACK return place convention, the developer of the scalar function can choose to provide an additional implementation choice with PROVIDED_BLOCK return place convention.

In the future, an invocation adapter should be able to automatically adapt between different calling conventions (null convention and return place convention) when feasible.

Approved by @haozhun at prestodb/presto#12166

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[findepi]

there are no plans to merge this.

cc @martint @dain