title: Issue while installing android sdk
body: <p>Hi i am installing the android sdk in pc and after installation completed,when i open the eclipse,i am getting the error as follows:</p>
  
  <p>Here is error:</p>
  
  <pre><code>This Android SDK requires Android Developer Toolkit version 21.1.0 or above.
  Current version is 20.0.2.v201207191942-407447.
  Please update ADT to the latest version.
  </code></pre>
  
  <p>When i click check for Updates,its running and i am getting the window with these options...
  Android DDMS,
  Android Development Tools,
  Android Hierarchy Viewer,
  Android Native Development Tools,
  Android Traceview,
  Tracer for openGL ES.</p>
  
  <p>When i select these and give next,i am getting error as follows and cannot able to proceed further.</p>
  
  <p>Here is the error:</p>
  
  <pre><code>Cannot complete the install because of a conflicting dependency.
  Software being installed: Tracer for OpenGL ES 21.1.0.v201302060044-569685 (com.android.ide.eclipse.gldebugger.feature.group 21.1.0.v201302060044-569685)
  Software currently installed: Shared profile 1.0.0.1343904087754 (SharedProfile_SDKProfile 1.0.0.1343904087754)
  Only one of the following can be installed at once: 
  Tracer for OpenGL ES 20.0.2.v201207191942-407447 (com.android.ide.eclipse.gldebugger.feature.jar 20.0.2.v201207191942-407447)
  Tracer for OpenGL ES 21.1.0.v201302060044-569685 (com.android.ide.eclipse.gldebugger.feature.jar 21.1.0.v201302060044-569685)
  Cannot satisfy dependency:
  From: Shared profile 1.0.0.1343904087754 (SharedProfile_SDKProfile 1.0.0.1343904087754)
  To: com.android.ide.eclipse.gldebugger.feature.jar [20.0.2.v201207191942-407447]
  Cannot satisfy dependency:
  From: Tracer for OpenGL ES 21.1.0.v201302060044-569685 (com.android.ide.eclipse.gldebugger.feature.group 21.1.0.v201302060044-569685)
  To: com.android.ide.eclipse.gldebugger.feature.jar [21.1.0.v201302060044-569685]
  </code></pre>
  
  <p>Please guide me to solve this problem.i am struggling for two days.</p>