Update to AutoService 1.0-rc4
Update to AutoService 1.0-rc4

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=180563656

dushmis/dagger,ronshapiro/dagger,cgruber/dagger,ze-pequeno/dagger,ronshapiro/dagger,google/dagger,dushmis/dagger,ze-pequeno/dagger,google/dagger,cgruber/dagger,google/dagger,ronshapiro/dagger,ze-pequeno/dagger,ze-pequeno/dagger,cgruber/dagger,google/dagger