ios: nearbyConnections: Move source to //third_party.

PiperOrigin-RevId: 408046875

cpp/platform/impl/ios/Source/GNCConnections.h

@@ -0,0 +1,20 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Umbrella header file for Nearby Connections library.
+
+#import "GNCAdvertiser.h"
+#import "GNCConnection.h"
+#import "GNCDiscoverer.h"
+#import "GNCPayload.h"