Add channel arguments to server builder
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 0d7ddfc..5d3e5ed 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -801,6 +801,7 @@
 include/grpc++/grpc++.h \
 include/grpc++/health_check_service_interface.h \
 include/grpc++/impl/call.h \
+include/grpc++/impl/channel_argument_option.h \
 include/grpc++/impl/client_unary_call.h \
 include/grpc++/impl/codegen/async_stream.h \
 include/grpc++/impl/codegen/async_unary_call.h \
@@ -912,6 +913,7 @@
 src/cpp/common/secure_create_auth_context.cc \
 src/cpp/common/version_cc.cc \
 src/cpp/server/async_generic_service.cc \
+src/cpp/server/channel_argument_option.cc \
 src/cpp/server/create_default_thread_pool.cc \
 src/cpp/server/dynamic_thread_pool.cc \
 src/cpp/server/dynamic_thread_pool.h \