Generate and copy swift grpc/protobuf code

CarControlleriOS/CarController/Podfile

@@ -8,5 +8,4 @@ target 'CarController' do
   # Pods for CarController
   pod 'gRPC-Swift', '1.0.0-alpha.11'
   pod 'SwiftyZeroMQ5'
-  pod 'SwiftProtobuf', '~> 1.0'
 end

CarControlleriOS/build.gradle

@@ -0,0 +1,16 @@
+configurations{
+        swift {
+            canBeConsumed = false
+            canBeResolved = true
+    }
+}
+
+dependencies {
+    swift project(path: ':protobuf', configuration: 'swift')
+}
+
+task copySwiftCode(type: Copy, dependsOn: configurations.swift) {
+    // Copy python protobuf code from proto project.
+    from zipTree(configurations.swift.asPath)
+    into './CarController/CarController'
+}