Bug #12604711 MTR SHOULD READ PLUGIN.DEFS FILES FROM IMPORTED FEATURE TREES

Added reading from plugin.defs files under plugins/*

mysql-test/include/plugin.defs

@@ -39,4 +39,3 @@ ha_archive         storage/archive    ARCHIVE_PLUGIN
 ha_blackhole       storage/blackhole  BLACKHOLE_PLUGIN
 ha_federated       storage/federated  FEDERATED_PLUGIN
 mypluglib          plugin/fulltext    SIMPLE_PARSER
-thread_pool        plugin/thread_pool THREADPOOL_PLUGIN thread_pool,TP_THREAD_STATE,TP_THREAD_GROUP_STATE,TP_THREAD_GROUP_STATS

mysql-test/mysql-test-run.pl

@@ -448,6 +448,11 @@ sub main {
   #
   read_plugin_defs("include/plugin.defs");
 
+  # Also read from any plugin local plugin.defs
+  for (glob "$basedir/plugin/*/tests/mtr/plugin.defs") {
+    read_plugin_defs($_);
+  }
+
   # Simplify reference to semisync plugins
   $ENV{'SEMISYNC_PLUGIN_OPT'}= $ENV{'SEMISYNC_MASTER_PLUGIN_OPT'};