Clarify the desired semantics of AsyncResolverInterface::GetResolvedAddress.
Clarify the desired semantics of AsyncResolverInterface::GetResolvedAddress.

Bug: webrtc:9861
Change-Id: I4b0bf0619a5e2b04765a727a183584dcf0a4cf41
Reviewed-on: https://webrtc-review.googlesource.com/c/106142
Reviewed-by: Qingsi Wang <1c4f50fe02fab79f81be17f4e2f574c199f33efd@webrtc.org>
Commit-Queue: Zach Stein <d217dcfaf7ca6751b8212d4ba07cd308222c32d1@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#25380}
TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc