Suppress headers includes privacy checks for iOS executables

Other targets were taken care of in crrev.com/c/2643859

Bug: angleproject:5417, angleproject:6871
Change-Id: I302f68a8067efff7a5b3597a1cc1e7185043a14c
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3370265
Reviewed-by: Alexis Hétu <sugoi@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>

gni/angle.gni

@@ -316,6 +316,12 @@ template("angle_executable") {
     if (angle_has_build && is_win) {
       data_deps += [ "//build/win:runtime_libs" ]
     }
+
+    if (is_ios) {
+      # shared libraries are hidden inside ios_framework_bundle, but we include headers from them
+      # Specifically, capture_replay_tests includes headers from angle_util
+      check_includes = false
+    }
   }
 }