title: I have got an error when downloading android sdk
body: <p>hi i downloded android studio 3.1.2 and installed it but the gradle did not syncronise. i have tried to fix it but i couldn't, then i uninsttalled the android studio and deleted all things about it like sdk ... after that i have reinstalled the android studio and want to download sdk manager , when downloding start i have got those errors and i have attached the picture: <a href="https://i.stack.imgur.com/Ua9VL.png" rel="nofollow noreferrer">Downloading components</a></p>
  
  <pre><code>java.io.IOException: Cannot download 'https://dl.google.com/android/repository/emulator-windows-4623001.zip': 
  SSL peer shut down incorrectly ,
   response: 200 OK Warning: An error occurred while preparing SDK package Android Emulator: 
  Cannot download 'https://dl.google.com/android/repository/emulator-windows-4623001.zip': 
  SSL peer shut down incorrectly ,
   response: 200 OK. 
  "Install Android Emulator (revision: 27.1.12)" failed. Preparing "Install Android Support Repository (revision: 47.0.0)".
   Downloading https://dl.google.com/android/repository/android_m2repository_r47.zip java.io.IOException: 
  Cannot download 'https://dl.google.com/android/repository/android_m2repository_r47.zip': Unexpected end of file from server ,
   response: 200 OK Warning: 
  An error occurred while preparing SDK package Android Support Repository:
   Cannot download 'https://dl.google.com/android/repository/android_m2repository_r47.zip': 
  Unexpected end of file from server ,
   response: 200 OK.
  </code></pre>