title: error:Connection reset (Gradle sync failed: Connection reset)
body: <p>I am importing constraint-layout-start to android studio 3.0. I have kept in androidstudioproject folder that's the the path where all my android studio projects are stored. after importing its showing <strong>connection reset error</strong>. Here is the log file link: <a href="https://drive.google.com/file/d/1W1mGmIc67baZb4C5nGGecWm15ggB0Wp5/view?usp=sharing" rel="nofollow noreferrer">https://drive.google.com/file/d/1W1mGmIc67baZb4C5nGGecWm15ggB0Wp5/view?usp=sharing</a></p>
  
  <p>i have all the SDK installed. tried to manually change the sdk verion to 21 which was running perfectly for my other projects, but here it didn't work.</p>
  
  <p>i checked all the files are okay, i am not getting why this error occurs.
  images of gradle page are given below.</p>
  
  <p><a href="https://i.stack.imgur.com/rABv4.png" rel="nofollow noreferrer">build.gradle </a></p>
  
  <p><a href="https://i.stack.imgur.com/UUn13.png" rel="nofollow noreferrer">gradle</a></p>