Move all the examples from the talk directory into the webrtc examples directory.

Significant changes:

- move the libjingle_examples.gyp file into webrtc directory.
- rename talk/examples/android to webrtc/examples/androidapp to avoid name conflicts.
- update paths in talk/libjingle_tests.gyp to point to webrtc directory for Objective-C test.

BUG=
R=pthatcher@webrtc.org, tkchin@webrtc.org

Review URL: https://codereview.webrtc.org/1235563006 .

Cr-Commit-Position: refs/heads/master@{#9681}
diff --git a/webrtc/examples/objc/AppRTCDemo/RTCICEServer+JSON.m b/webrtc/examples/objc/AppRTCDemo/RTCICEServer+JSON.m
new file mode 100644
index 0000000..3ba8556
--- /dev/null
+++ b/webrtc/examples/objc/AppRTCDemo/RTCICEServer+JSON.m
@@ -0,0 +1,47 @@
+/*
+ *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#import "RTCICEServer+JSON.h"
+
+static NSString const *kRTCICEServerUsernameKey = @"username";
+static NSString const *kRTCICEServerPasswordKey = @"password";
+static NSString const *kRTCICEServerUrisKey = @"uris";
+static NSString const *kRTCICEServerUrlKey = @"urls";
+static NSString const *kRTCICEServerCredentialKey = @"credential";
+
+@implementation RTCICEServer (JSON)
+
++ (RTCICEServer *)serverFromJSONDictionary:(NSDictionary *)dictionary {
+  NSString *url = dictionary[kRTCICEServerUrlKey];
+  NSString *username = dictionary[kRTCICEServerUsernameKey];
+  NSString *credential = dictionary[kRTCICEServerCredentialKey];
+  username = username ? username : @"";
+  credential = credential ? credential : @"";
+  return [[RTCICEServer alloc] initWithURI:[NSURL URLWithString:url]
+                                  username:username
+                                  password:credential];
+}
+
++ (NSArray *)serversFromCEODJSONDictionary:(NSDictionary *)dictionary {
+  NSString *username = dictionary[kRTCICEServerUsernameKey];
+  NSString *password = dictionary[kRTCICEServerPasswordKey];
+  NSArray *uris = dictionary[kRTCICEServerUrisKey];
+  NSMutableArray *servers = [NSMutableArray arrayWithCapacity:uris.count];
+  for (NSString *uri in uris) {
+    RTCICEServer *server =
+        [[RTCICEServer alloc] initWithURI:[NSURL URLWithString:uri]
+                                 username:username
+                                 password:password];
+    [servers addObject:server];
+  }
+  return servers;
+}
+
+@end