Tommi 0a7fc84887 Use is_* getters when checking the Candidate type
This removes several references across the code base that depended on
the global string constants.

Bug: none
Change-Id: I007bd4b195c35261039f655f1a8f52e632c3691f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/335320
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#41578}
2024-01-19 15:37:32 +00:00
..
2022-06-30 09:39:28 +00:00
2023-08-04 12:08:44 +00:00
2023-08-07 13:10:00 +00:00