title: programmatically uninstall other application without asking user
body: <p>I have system-level app with </p>
  
  <p>Device is not rooted! <code>INSTALL_PACKAGES</code> and <code>ACTION_UNINSTALL_PACKAGE</code> permission is included to Manifest</p>
  
  <p>Can I install and Uninstall any apk silently ?</p>