Tend to inline method when all callers are in same class as callee
Tend to inline method when all callers are in same class as callee

Summary: Class-locality doesn't hurt cross-dex-refs minimizer, and eliminating entire methods frees up method refs.

Reviewed By: int3, justinjhendrick

Differential Revision: D14359656

fbshipit-source-id: 4ba1f224272600f5b1ae63d0cda230f863271f45

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