Analytics events for plugin management

Summary: Send some analytics events related to plugin management: auto-update, install, uninstall, load.

Reviewed By: passy

Differential Revision: D25557788

fbshipit-source-id: 14dc9ae5793e9b18be13f2d483069d8d00c8b863

desktop/app/src/dispatcher/plugins.tsx

@@ -223,6 +223,13 @@ export const requirePlugin = (
   pluginDetails: ActivatablePluginDetails,
   reqFn: Function = global.electronRequire,
 ): PluginDefinition => {
+  reportUsage(
+    'plugin:load',
+    {
+      version: pluginDetails.version,
+    },
+    pluginDetails.id,
+  );
   return tryCatchReportPluginFailures(
     () => requirePluginInternal(pluginDetails, reqFn),
     'plugin:load',