Add RTCStatisticsReport.h to WebRTC.framework.

Bug: webrtc:11041
Change-Id: I2ae5a7db9697f70426feaf0c31ee4e0b9b654cc6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/157800
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29554}
diff --git a/AUTHORS b/AUTHORS
index 5f9518b..d76148e 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -81,6 +81,7 @@
 Michel Promonet <michel.promonet.1@gmail.com>
 Min Wang <mingewang@gmail.com>
 Ramprakash Jelari <ennajelari@gmail.com>
+CZ Theng <cz.theng@gmail.com>
 
 &yet LLC <*@andyet.com>
 Agora IO <*@agora.io>