Add a new error code for plugin disabled feature

Summary: Add a new error code for plugin disabled features. This error will be thrown when trying to execute sql over thrift queries if the sql/thrift feature is disabled.

Differential Revision: D45797763

fbshipit-source-id: eee7326

Author: Fadi Hanna

share/messages_to_clients.txt

@@ -10109,8 +10109,8 @@ ER_WARN_SKIP_SCAN_KEYS_NOT_CONSIDERED
 ER_IS_TABLE_READ_DISABLED
   eng "Reads are disabled on %s performance schema table"
 
-ER_THRIFT_PLACEHOLDER_50122
-  eng "Placeholder"
+ER_THRIFT_PLUGIN_FEATURE_DISABLED
+  eng "Plugin feature is currently disabled"
 
 ER_THRIFT_PLACEHOLDER_50123
   eng "Placeholder"