SetStreams API of RtpSender wrapped for iOS and Android

Bug: webrtc:10129
Change-Id: I36ea0110de655bbffa2bd18a024abd15a2136838
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/155983
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29405}
diff --git a/AUTHORS b/AUTHORS
index ac4d742..d445c36 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -14,6 +14,7 @@
 Christophe Dumez <ch.dumez@samsung.com>
 Cody Barnes <conceptgenesis@gmail.com>
 Colin Plumb
+Cyril Lashkevich <notorca@gmail.com>
 David Porter <david@porter.me>
 Dax Booysen <dax@younow.com>
 Danail Kirov <dkirovbroadsoft@gmail.com>