[REQ] Improve protobuf generator by adding switch useSimplifiedEnumNames (eg. FOO rather than TEST_STRING_ENUM_FOO)

[andrewwilsonnew]

Is your feature request related to a problem? Please describe.

@wing328 we generate wire classes with our protos so we'd like the enum names to be FOO rather than TEST_STRING_ENUM_FOO

Describe the solution you'd like

I've added a switch (default old value) #21052

Describe alternatives you've considered

n/a

Additional context

Any chance we could get this into the patch?