Back port to branch-3.3, to avoid reconnecting to the old address after detecting that the address has been updated.
* Use a stable hashCode to allow safe IP addr changes
* Add test that updated address is used
Once the address has been updated, it will be used in future calls. Test verifies that a second request succeeds and that it uses the existing updated address instead of having to re-resolve.
Co-authored-by: Steve Vaughan Jr <s_vaughan@apple.com>
cfc11d2e5f