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}

PRESUBMIT.py

@@ -901,6 +901,7 @@ def CheckApiDepsFileIsUpToDate(input_api, output_api):
       'buildtools',
       'data',
       'infra',
+      'ios',
       'out',
       'resources',
       'testing',

api/DEPS

@@ -9,6 +9,7 @@ include_rules = [
   "-common_video",
   "-data",
   "-examples",
+  "-ios",
   "-infra",
   "-logging",
   "-media",