Kotlin: Performance tweak

Author: igfoo

java/ql/lib/semmle/code/java/dataflow/FlowSources.qll

@@ -272,6 +272,7 @@ class ExportedAndroidContentProviderInput extends RemoteFlowSource, AndroidConte
  * calls `startActivityForResult` with an implicit Intent.
  */
 class OnActivityResultIntentSource extends OnActivityResultIncomingIntent, RemoteFlowSource {
+  cached
   OnActivityResultIntentSource() { this.isRemoteSource() }
 
   override string getSourceType() { result = "Android onActivityResult incoming Intent" }