title: FAILURE: Build failed with an exception
body: <p>I try to upgrade the android.support:support. but it showing some error:</p>
  
  <pre><code>    Information:Gradle tasks [:app:generateDebugSources]
      :app:preBuild
      :app:preDebugBuild
      :app:checkDebugManifest
      :app:preReleaseBuild
      :app:prepareComAndroidSupportAppcompatV72100Rc1Library UP-TO-DATE
      :app:prepareComAndroidSupportGridlayoutV71901Library UP-TO-DATE
      :app:prepareComAndroidSupportSupportV42100Rc1Library UP-TO-DATE
      :app:prepareDebugDependencies
      :app:compileDebugAidl UP-TO-DATE
      :app:compileDebugRenderscript UP-TO-DATE
      :app:generateDebugBuildConfig UP-TO-DATE
      :app:generateDebugAssets UP-TO-DATE
      :app:mergeDebugAssets UP-TO-DATE
      :app:generateDebugResValues UP-TO-DATE
      :app:generateDebugResources UP-TO-DATE
      :app:mergeDebugResources
      :app:processDebugManifest
      /home/ti/Projectname/app/src/main/AndroidManifest.xml:0:0 Error:
  
  
  Error:/home/ti/Projectname/app/src/main/AndroidManifest.xml:0:0 Error:
      uses-sdk:minSdkVersion 11 cannot be smaller than version 11 declared in library com.android.support:support-v4:21.0.0-rc1
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:processDebugManifest'.
  &gt; Manifest merger failed : uses-sdk:minSdkVersion 11 cannot be smaller than version 11 declared in library com.android.support:support-v4:21.0.0-rc1
  
  * Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
  
  Information:1 error
  Information:0 warnings
  Information:See complete output in console
  </code></pre>