title: react-native run-android :app:installDebug failed
body: <p>I created a react native application <code>react-native init AwesomeProject</code> in Windows8.<br>I have Genymotion 2.6.0 installed, with a Google Nexus 7.0 image working in the emulator.<br>I start the server <code>react-native start</code>.<br>When I run <code>react-native run-android</code> I get this error:</p>
  
  <pre><code>D:\react\AwesomeProject&gt; react-native run-android
  JS server already running.
  Building and installing the app on the device (cd android &amp;&amp; gradlew.bat install
  Debug)...
  :app:preBuild UP-TO-DATE
  :app:preDebugBuild UP-TO-DATE
  :app:checkDebugManifest
  :app:preReleaseBuild UP-TO-DATE
  :app:prepareComAndroidSupportAppcompatV72301Library UP-TO-DATE
  ...
  :app:installDebug
  10:47:59 E/ddms: 'C:\eclipse\adt-bundle\sdk\platform-tools\adb.exe,start-server'failed -- run manually if necessary                                                                                                     :app:installDebug                                                                   FAILED
  
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:installDebug'.
  &gt; com.android.builder.testing.api.DeviceException: Timeout getting device list.
  </code></pre>
  
  <p>The same happens with an AVD device (always on Windows8).<br> Everything works fine instead on my iBook... </p>