* Refactor TypeInstrumentation#transformers() method part 1
Add TypeInstrumentation and its implementations
* Refactor TypeInstrumentation#transformers() method part 2
Use the new method in all existing TypeInstrumentation implementations
* Drift
* Spotless
Co-authored-by: Trask Stalnaker <trask.stalnaker@gmail.com>
* Muzzle code generation cleanup
- remove hardcoded class names from MuzzleCodeGenerator (easier renaming in the future)
- store field/method descriptors in references instead of types/lists of types
- remove unnecessary primitive type comparison in ReferenceMatcher (comparing descriptors is enough)
- improve printMuzzleReferences output