Implement SDL 0072 New vehicle data - FuelRange

[mrapitis]

Fixes #641

This PR is ready for review.

Risk

This PR makes minor API changes.

Testing Plan

Added new unit tests and expanded existing ones

Summary

Added Vehicle Data RPC's, structs, enums as defined in the fuel range proposal.

CLA

• I have signed the CLA

[joeljfischer]

@mrapitis This hasn't been scheduled for Core v4.4, so this won't be merged for probably 6 months and a lot can change between now and then. Do you want to keep this open until then?

[mrapitis]

@joeljfischer Would it be possible to review / merge the proxy side changes prior to the core implementation?

[joeygrover]

@mrapitis unfortunately, no. We are no longer merging in RPC additions on whims. We are merging them in based on RPC spec versions. This makes it much clearer which version of the proxy support which version of the RPC spec. It is also impossible to test against core until those changes are made on core. The next RPC spec will need to be approved with that addition before it gets merged into the proxy.

[mrapitis]

@joeygrover Understood, I'll close for now and resubmit when we have an approved version.