title: Jenkins-AndroidEmulator Plugin-Failed to create avd
body: <p>@All,</p>
  
  <p>I have written appium script for testing mobile app and on windows it works like charm (i use Genymotion as android emulator) but on production i have Centos 7 server (with graphical interface), here i tried to open headless android emulator with the help of 'Jenkins-AndroidEmulator plugin 3.0) with maven and before running my maven command i tried to create aavd emulator with following configuration:-
  <a href="https://i.stack.imgur.com/ZxbTe.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ZxbTe.png" alt="enter image description here"></a> 
  and on the centos7 i have installed android-26.
  But when i run my build it throws below error:-</p>
  
  <pre><code>[android] Using Android SDK: /opt/android-sdk
  [android] Creating Android AVD: /var/lib/jenkins/.android/avd/hudson_en-US_480_WVGA_android-26_x86_test.avd
  [android] /opt/android-sdk/tools/bin/avdmanager create avd -f -c 32M -n hudson_en-US_480_WVGA_android-26_x86_test -k system-images;android-26;default;x86
  
      Loading local repository...                                                     
      [=========                              ] 25% Loading local repository...       
      [=========                              ] 25% Fetch remote repository...        
      [=========                              ] 25% Fetch remote repository...        
      [=========                              ] 25% Fetch remote repository...        
      [=======================================] 100% Fetch remote repository...       
      Error: Package path is not valid. Valid system image paths are:
      null
  
  [android] Failed to run AVD creation command
  [android] Could not create Android emulator: Failed to run AVD creation command
  Finished: NOT_BUILT
  </code></pre>