Expose setCodecPreferences/getCapabilities for iOS

Bug: webrtc:15749
Change-Id: I92f5d5dc5d9eb4d0a60c33ed724a0d3e8b4fa1a8
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/333402
Auto-Submit: Karim Ham <karim@karhm.com>
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Peter Hanspers <peterhanspers@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#41601}
diff --git a/AUTHORS b/AUTHORS
index 6e92240..c0c4093 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -65,6 +65,7 @@
 Jiwon Kim <jwkim0000@gmail.com>
 Johnny Wong <hellojinqiang@gmail.com>
 Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
+Karim Hammache <karim@karhm.com>
 Keiichi Enomoto <enm10k@gmail.com>
 Kiran Thind <kiran.thind@gmail.com>
 Korniltsev Anatoly <korniltsev.anatoly@gmail.com>