place security_connector in its own subdirectory
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9155d2b..64a7dc7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -959,10 +959,10 @@
   src/core/lib/security/credentials/oauth2/oauth2_credentials.cc
   src/core/lib/security/credentials/plugin/plugin_credentials.cc
   src/core/lib/security/credentials/ssl/ssl_credentials.cc
+  src/core/lib/security/security_connector/security_connector.cc
   src/core/lib/security/transport/client_auth_filter.cc
   src/core/lib/security/transport/lb_targets_info.cc
   src/core/lib/security/transport/secure_endpoint.cc
-  src/core/lib/security/transport/security_connector.cc
   src/core/lib/security/transport/security_handshaker.cc
   src/core/lib/security/transport/server_auth_filter.cc
   src/core/lib/security/transport/tsi_error.cc
@@ -1323,10 +1323,10 @@
   src/core/lib/security/credentials/oauth2/oauth2_credentials.cc
   src/core/lib/security/credentials/plugin/plugin_credentials.cc
   src/core/lib/security/credentials/ssl/ssl_credentials.cc
+  src/core/lib/security/security_connector/security_connector.cc
   src/core/lib/security/transport/client_auth_filter.cc
   src/core/lib/security/transport/lb_targets_info.cc
   src/core/lib/security/transport/secure_endpoint.cc
-  src/core/lib/security/transport/security_connector.cc
   src/core/lib/security/transport/security_handshaker.cc
   src/core/lib/security/transport/server_auth_filter.cc
   src/core/lib/security/transport/tsi_error.cc