[Chromoting] Use HostExperimentSessionPlugin in host

remoting/host/BUILD.gn

Index: remoting/host/BUILD.gn
diff --git a/remoting/host/BUILD.gn b/remoting/host/BUILD.gn
index eb74514729d119f07012dc94237e920c4e9e5e05..b95acf31ead21844b3bb1e9b5c1660e12679c715 100644
--- a/remoting/host/BUILD.gn
+++ b/remoting/host/BUILD.gn
@@ -162,8 +162,8 @@ static_library("host") {
     "host_event_logger_win.cc",
     "host_exit_codes.cc",
     "host_exit_codes.h",
-    "host_experiment_session_plugin.cc",
-    "host_experiment_session_plugin.h",
+    "host_experiment_servant.cc",
+    "host_experiment_servant.h",
     "host_export.h",
     "host_extension.h",
     "host_extension_session.h",
@@ -500,7 +500,7 @@ source_set("unit_tests") {
     "host_attributes_unittest.cc",
     "host_change_notification_listener_unittest.cc",
     "host_config_unittest.cc",
-    "host_experiment_session_plugin_unittest.cc",
+    "host_experiment_servant_unittest.cc",
     "host_extension_session_manager_unittest.cc",
     "host_power_save_blocker_unittest.cc",
     "host_session_options_unittest.cc",