title: Issue in resolving nonnull and notnull symbol in looper.java
body: <p>I'm developing an android app please help me to solve dependency error.</p>
  
  <pre><code>package android.os;
  import android.support.annotation.NonNull;
  import android.support.annotation.Nullable;
  </code></pre>
  
  <p>I've add following dependencies:</p>
  
  <pre><code>dependencies {
  
      compile group: 'com.google.code.findbugs', name: 'jsr305', version: '3.0.0'
      compile 'com.android.support:multidex:1.0.1'
      compile fileTree(include: ['*.jar'], dir: 'libs')
      testCompile 'junit:junit:4.12'
      compile 'com.android.support:appcompat-v7:23.1.1'
      compile 'com.android.support:support-v4:23.1.1'
      compile 'com.android.support:design:23.1.1'
      compile 'com.parse:parse-android:1.12.0'
      compile fileTree(include: '*.jar', dir: 'libs')
      compile 'com.squareup.picasso:picasso:2.5.2'
      compile 'com.android.support:support-annotations:23.1.1'
  }
  </code></pre>