After [2] has landed, some code started to be built on the iOS FYI bots. Previous attempts to fix are [3] and [4]. Error: error: no member named 'SimpleStringBuilder' in namespace 'rtc' [1] - https://ci.chromium.org/ui/p/chromium/builders/webrtc.fyi/WebRTC%20Chromium%20FYI%20ios-device/8155/overview [2] - https://webrtc-review.googlesource.com/c/src/+/200981 [3] - https://webrtc-review.googlesource.com/c/src/+/202037 [4] - https://webrtc-review.googlesource.com/c/src/+/202038 TBR=landrey@webrtc.org Bug: None Change-Id: Ibee99b274f742acf41a837492d215ef45e5d9de4 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/202240 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#33012}