Fixes the sample app to point to the new podspecs

src/objective-c/examples/Sample/Podfile

@@ -1,13 +1,11 @@
 source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '8.0'
 
-pod 'RxLibrary', :path => "../../RxLibrary"
-pod 'GRPCClient', :path => "../../GRPCClient"
+pod 'gRPC', :path => "../../../.."
+pod 'RxLibrary', :path => "../../../.."
 
 target 'Sample' do
-
 end
 
 target 'SampleTests' do
-
 end

src/objective-c/examples/Sample/Sample/ViewController.m

@@ -32,8 +32,9 @@
  */
 
 #import "ViewController.h"
-#import <GRPCClient/GRPCCall.h>
-#import <GRPCClient/GRPCMethodName.h>
+
+#import <gRPC/GRPCCall.h>
+#import <gRPC/GRPCMethodName.h>
 #import <RxLibrary/GRXWriter+Immediate.h>
 #import <RxLibrary/GRXWriteable.h>
 
@@ -51,15 +52,19 @@
                                                          interface:@"TestService"
                                                             method:@"EmptyCall"];
 
-  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"localhost"
+  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[NSData data]];
+
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"grpc-test.sandbox.google.com:443"
                                            method:method
-                                   requestsWriter:[GRXWriter writerWithValue:[NSData data]]];
+                                   requestsWriter:requestsWriter];
 
-  [call startWithWriteable:[[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
+  id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
     NSLog(@"Received response: %@", value);
   } completionHandler:^(NSError *errorOrNil) {
     NSLog(@"Finished with error: %@", errorOrNil);
-  }]];
+  }];
+
+  [call startWithWriteable:responsesWriteable];
 }
 
 - (void)didReceiveMemoryWarning {