Add missing directory to api/DEPS and PRESUBMIT.py.

TBR: kwiberg@webrtc.org
Bug: webrtc:9887
Change-Id: Ib285005fc2a25549e72922bc38b05a170c6ef228
No-Try: True
Reviewed-on: https://webrtc-review.googlesource.com/c/107707
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Yves Gerey <yvesg@google.com>
Cr-Commit-Position: refs/heads/master@{#25342}
diff --git a/api/DEPS b/api/DEPS
index 1ed09d2..b5cdd47 100644
--- a/api/DEPS
+++ b/api/DEPS
@@ -9,6 +9,7 @@
   "-common_video",
   "-data",
   "-examples",
+  "-ios",
   "-infra",
   "-logging",
   "-media",