fix: Move "main-activity" request out of vendor

Author: VladimirAmiorkov

sdkAngular/app/main.ts

@@ -1,4 +1,5 @@
 import { platformNativeScriptDynamic } from "nativescript-angular/platform";
 import { AppModule } from "./app.module";
+require("./main-activity.android.ts");
 
 platformNativeScriptDynamic().bootstrapModule(AppModule);

sdkAngular/app/vendor-platform.android.ts

@@ -6,5 +6,4 @@ if (!global["__snapshot"]) {
     // This way, they will be evaluated on app start as early as possible.
     require("ui/frame");
     require("ui/frame/activity");
-    require("./main-activity.android.ts");
 }