Made "codedgen" directories closed over #includes
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 09da881..c1d9fa1 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -769,8 +769,14 @@
include/grpc++/grpc++.h \
include/grpc++/impl/call.h \
include/grpc++/impl/client_unary_call.h \
+include/grpc++/impl/codegen/call_hook.h \
include/grpc++/impl/codegen/channel_interface.h \
+include/grpc++/impl/codegen/completion_queue_tag.h \
+include/grpc++/impl/codegen/config.h \
include/grpc++/impl/codegen/server_interface.h \
+include/grpc++/impl/codegen/status.h \
+include/grpc++/impl/codegen/status_code_enum.h \
+include/grpc++/impl/codegen/time.h \
include/grpc++/impl/grpc_library.h \
include/grpc++/impl/method_handler_impl.h \
include/grpc++/impl/proto_utils.h \
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 7ec8a0e..92080e6 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -769,8 +769,14 @@
include/grpc++/grpc++.h \
include/grpc++/impl/call.h \
include/grpc++/impl/client_unary_call.h \
+include/grpc++/impl/codegen/call_hook.h \
include/grpc++/impl/codegen/channel_interface.h \
+include/grpc++/impl/codegen/completion_queue_tag.h \
+include/grpc++/impl/codegen/config.h \
include/grpc++/impl/codegen/server_interface.h \
+include/grpc++/impl/codegen/status.h \
+include/grpc++/impl/codegen/status_code_enum.h \
+include/grpc++/impl/codegen/time.h \
include/grpc++/impl/grpc_library.h \
include/grpc++/impl/method_handler_impl.h \
include/grpc++/impl/proto_utils.h \
diff --git a/tools/doxygen/Doxyfile.core b/tools/doxygen/Doxyfile.core
index 3a1d097..8ce9dd5 100644
--- a/tools/doxygen/Doxyfile.core
+++ b/tools/doxygen/Doxyfile.core
@@ -765,6 +765,9 @@
include/grpc/byte_buffer_reader.h \
include/grpc/compression.h \
include/grpc/grpc.h \
+include/grpc/impl/codegen/connectivity_state.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/time.h \
include/grpc/status.h \
include/grpc/census.h \
include/grpc/support/alloc.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 2280fde..a2b37c9 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -765,6 +765,9 @@
include/grpc/byte_buffer_reader.h \
include/grpc/compression.h \
include/grpc/grpc.h \
+include/grpc/impl/codegen/connectivity_state.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/time.h \
include/grpc/status.h \
include/grpc/census.h \
src/core/security/auth_filters.h \