EventIndexing: Rename the stop method.

src/EventIndexPeg.js

@@ -57,13 +57,14 @@ class EventIndexPeg {
         return true
     }
 
-    async stop() {
-        if (this.index == null) return;
-        index.stopCrawler();
+    stop() {
+        if (this.index === null) return;
+        index.stop();
+        this.index = null;
     }
 
     async deleteEventIndex() {
-        if (this.index == null) return;
+        if (this.index === null) return;
         index.deleteEventIndex();
     }
 }

src/EventIndexing.js

@@ -34,6 +34,7 @@ export default class EventIndexer {
         const platform = PlatformPeg.get();
         if (!platform.supportsEventIndexing()) return false;
         platform.initEventIndex(userId);
+        return true;
     }
 
     async onSync(state, prevState, data) {
@@ -397,7 +398,7 @@ export default class EventIndexer {
         this.crawlerRef = crawlerHandle;
     }
 
-    stopCrawler() {
+    stop() {
         this._crawlerRef.cancel();
         this._crawlerRef = null;
     }