title: androidtv-Leanback-master build errors
body: <p><strong>[environment]</strong><br>
  Android Studio 1.1.0<br>
  buildToolsVersion "21.1.2"</p>
  
  <p>When I build "androidtv-Leanback-master" got this errors:</p>
  
  <pre><code>Executing tasks: [clean, :app:compileDebugSources]
  
  Configuration on demand is an incubating feature.
  :app:clean
  :app:preBuild
  :app:preDebugBuild
  :app:checkDebugManifest
  :app:preReleaseBuild
  :app:prepareComAndroidSupportAppcompatV72200Library
  :app:prepareComAndroidSupportLeanbackV172200Library
  :app:prepareComAndroidSupportRecyclerviewV72200Library
  :app:prepareComAndroidSupportSupportV42200Library
  :app:prepareDebugDependencies
  :app:compileDebugAidl
  :app:compileDebugRenderscript
  :app:generateDebugBuildConfig
  :app:generateDebugAssets UP-TO-DATE
  :app:mergeDebugAssets
  :app:generateDebugResValues UP-TO-DATE
  :app:generateDebugResources
  :app:mergeDebugResources
  D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\exploded-aar\com.android.support\appcompat-v7\22.0.0\res\drawable-hdpi-v4\abc_spinner_mtrl_am_alpha.9.png: libpng warning: iCCP: Not recognizing known sRGB profile that has been edited
  
  :app:processDebugManifest
  :app:processDebugResources
  D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\res\debug\transition-v22\lb_browse_entrance_transition.xml:23: error: Error: String types not allowed (at 'slideEdge' with value 'end').
  
  D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\res\debug\transition-v22\lb_browse_return_transition.xml:18: error: Error: String types not allowed (at 'slideEdge' with value 'start').
  
  D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\res\debug\transition-v22\lb_browse_return_transition.xml:27: error: Error: String types not allowed (at 'slideEdge' with value 'end').
  
  
   FAILED
  
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:processDebugResources'.
  &gt; com.android.ide.common.internal.LoggedErrorException: Failed to run command:
      D:\AndroidSDK\build-tools\21.1.2\aapt.exe package -f --no-crunch -I D:\AndroidSDK\platforms\android-21\android.jar -M D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\manifests\full\debug\AndroidManifest.xml -S D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\res\debug -A D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\assets\debug -m -J D:\andorid_code\androidtv-Leanback-master\app\build\generated\source\r\debug -F D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\res\resources-debug.ap_ --debug-mode --custom-package com.example.android.tvleanback -0 apk --output-text-symbols D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\symbols\debug
  Error Code:
      1
  Output:
      D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\res\debug\transition-v22\lb_browse_entrance_transition.xml:23: error: Error: String types not allowed (at 'slideEdge' with value 'end').
  
      D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\res\debug\transition-v22\lb_browse_return_transition.xml:18: error: Error: String types not allowed (at 'slideEdge' with value 'start').
  
      D:\andorid_code\androidtv-Leanback-master\app\build\intermediates\res\debug\transition-v22\lb_browse_return_transition.xml:27: error: Error: String types not allowed (at 'slideEdge' with value 'end').
  
  
  
  * Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
  
  BUILD FAILED
  
  Total time: 48.334 secs
  </code></pre>