updates: build-cmdline-update

  to publish your application, you <strong>must</strong> sign the application with your own private

  key, rather than the debug key generated by the SDK tools.</p>

  <p>Android Studio helps you get started quickly by signing your .apk files with a debug key,

  prior to installing them on an emulator or development device. This means that you can quickly

  run your application from Android Studio without having to generate your own private key. No

  specific action on your part is needed, provided ADT has access to Keytool. However, please note

  that if you intend to publish your application, you <strong>must</strong> sign the application

  with your own private key, rather than the debug key generated by the SDK tools.</p>

  <p>Please read <a href="{@docRoot}tools/publishing/app-signing.html">Signing Your

  Applications</a>, which provides a thorough guide to application signing on Android and what it

  means to you as an Android application developer. The document also includes a guide to publishing