[RTCIceCandidate initWithNativeCandidate:] does not take ownership on
candidate, so it must be released by caller.
Bug: None
Change-Id: I516e740e81a7aec04556f5fa71cbbecf3be6deb7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/308500
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40314}