stick with kotlin 1.3.61 (#2078)
stick with kotlin 1.3.61 (#2078)

See https://github.com/square/okio/pull/707#issuecomment-601449587
apollostack/apollo-android,apollographql/apollo-android,apollographql/apollo-android,apollographql/apollo-android,apollostack/apollo-android,apollostack/apollo-android