This CL forwards BlockingCall client locations to BlockingCallImpl. Fixed: chromium:1416199 Change-Id: Ic5865280ec5c72a09a64419940b8343e8a54986b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/295624 Commit-Queue: Markus Handell <handellm@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39442}