Starting to scratch out the API
diff --git a/build.json b/build.json
index 68110e4..7d35f79 100644
--- a/build.json
+++ b/build.json
@@ -413,6 +413,7 @@
         "src/cpp/client/create_channel.cc",
         "src/cpp/client/credentials.cc",
         "src/cpp/client/internal_stub.cc",
+        "src/cpp/common/call.cc",
         "src/cpp/common/completion_queue.cc",
         "src/cpp/common/rpc_method.cc",
         "src/cpp/proto/proto_utils.cc",