Document auth retries function (#6031)
Document auth retries function (#6031)

* Document auth retries function

* Update Authenticator.kt
square/okhttp,square/okhttp,ansman/okhttp,tiarebalbi/okhttp,ze-pequeno/okhttp,ansman/okhttp,ansman/okhttp,cketti/okhttp,yschimke/okhttp,ze-pequeno/okhttp,square/okhttp,cmzy/okhttp,cketti/okhttp,tiarebalbi/okhttp,tiarebalbi/okhttp,cketti/okhttp,yschimke/okhttp,ze-pequeno/okhttp,yschimke/okhttp,cmzy/okhttp