Pass settings model to ARDAppClient instead of individual settings.

webrtc/examples/BUILD.gn

Index: webrtc/examples/BUILD.gn
diff --git a/webrtc/examples/BUILD.gn b/webrtc/examples/BUILD.gn
index 8893a0732084df3bc1a93cf20376f5cbcbcf6f1e..782491d42511a67d77a85905eb77247942403b83 100644
--- a/webrtc/examples/BUILD.gn
+++ b/webrtc/examples/BUILD.gn
@@ -221,6 +221,11 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
       "objc/AppRTCMobile/ARDRoomServerClient.h",
       "objc/AppRTCMobile/ARDSDPUtils.h",
       "objc/AppRTCMobile/ARDSDPUtils.m",
+      "objc/AppRTCMobile/ARDSettingsModel+Private.h",
+      "objc/AppRTCMobile/ARDSettingsModel.h",
+      "objc/AppRTCMobile/ARDSettingsModel.m",
+      "objc/AppRTCMobile/ARDSettingsStore.h",
+      "objc/AppRTCMobile/ARDSettingsStore.m",
       "objc/AppRTCMobile/ARDSignalingChannel.h",
       "objc/AppRTCMobile/ARDSignalingMessage.h",
       "objc/AppRTCMobile/ARDSignalingMessage.m",
@@ -264,11 +269,6 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
         "objc/AppRTCMobile/ios/ARDMainView.m",
         "objc/AppRTCMobile/ios/ARDMainViewController.h",
         "objc/AppRTCMobile/ios/ARDMainViewController.m",
-        "objc/AppRTCMobile/ios/ARDSettingsModel+Private.h",
-        "objc/AppRTCMobile/ios/ARDSettingsModel.h",
-        "objc/AppRTCMobile/ios/ARDSettingsModel.m",
-        "objc/AppRTCMobile/ios/ARDSettingsStore.h",
-        "objc/AppRTCMobile/ios/ARDSettingsStore.m",
         "objc/AppRTCMobile/ios/ARDSettingsViewController.h",
         "objc/AppRTCMobile/ios/ARDSettingsViewController.m",
         "objc/AppRTCMobile/ios/ARDStatsView.h",