fix(android): adjust for Kotlin and project warnings

examples/api/src-tauri/gen/android/app/src/main/AndroidManifest.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <application
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"

examples/api/src-tauri/gen/android/app/src/main/java/com/tauri/api/MainActivity.kt

@@ -1,3 +1,3 @@
 package com.tauri.api
 
-class MainActivity : TauriActivity()
+class MainActivity : TauriActivity()