title: react-native run-android not completing and hangs
body: <p>When i am putting this command it starts a JS server but after that it goes up to line "2/2 projects" and it stucks at that line...</p>
  
  <p>whatever i have done on terminal is given below...</p>
  
  <p>any suggestion fine...</p>
  
  <pre><code>C:\Users\saket&gt;cd myapp
  C:\Users\saket\myapp&gt;react-native run-android
  Scanning 558 folders for symlinks in C:\Users\saket\myapp\node_modules 
  (230ms)
  Starting JS server...
  Building and installing the app on the device (cd android &amp;&amp; gradlew.bat 
  install
  Debug)...
  Checking the license for package Android SDK Build-Tools 23.0.1 in 
  C:\Users\sake
  t\AppData\Local\Android\Sdk\licenses
  License for package Android SDK Build-Tools 23.0.1 accepted.
  Preparing "Install Android SDK Build-Tools 23.0.1".
  &gt; Configuring &gt; 2/2 projects
  </code></pre>