[Java] add basic type inference support

[chaokunyang]

What do these changes do?

• extract java generics based on guava TypeToken
• parallel mutil-threaded generics parsing
• guava generics parsing speedup
• sorted descriptors building
• descriptors cache
• ignore fields annotated by @Ignore
• bean check
• type parameters extract
• map/collection generics extract and building
• primitives type size computing

Related issue number

Closes #44

Check code requirements

• tests added / passed (if needed)
• Ensure all linting tests pass, see here for how to run them