title: can't find referenced method 'android.app.RemoteInput[] getRemoteInputs()' in class android.app.Notification$Action
body: <p>I am kind of stuck from past 1 week from this issue. I am trying to export my android app for final release but it gives following errror while exporting.</p>
  
  <pre><code>Proguard returned with error code 1. See console
  [2014-08-26 19:55:11 - ] Note: there were 1281 duplicate class definitions.
  [2014-08-26 19:55:11 - ] Warning: android.support.v4.app.NotificationCompatApi20: can't find referenced method 'android.app.RemoteInput[] getRemoteInputs()' in class android.app.Notification$Action
  [2014-08-26 19:55:11 - ] Warning: android.support.v4.app.NotificationCompatApi20: can't find referenced method 'android.os.Bundle getExtras()' in class android.app.Notification$Action
  [2014-08-26 19:55:11 - ] Warning: android.support.v4.app.NotificationCompatApi20: can't find referenced class android.app.Notification$Action$Builder
  [2014-08-26 19:55:11 - ] Warning: android.support.v4.app.NotificationCompatApi20: can't find referenced class android.app.Notification$Action$Builder
  [2014-08-26 19:55:11 - ] Warning: android.support.v4.app.NotificationCompatApi20: can't find referenced class android.app.Notification$Action$Builder
  [2014-08-26 19:55:11 - ] Warning: android.support.v4.app.NotificationCompatApi20: can't find referenced class android.app.Notification$Action$Builder
  [2014-08-26 19:55:11 - ] Warning: android.support.v4.app.NotificationCompatApi20: can't find referenced class android.app.Notification$Action$Builder
  [2014-08-26 19:55:11 - ] Warning: android.support.v4.app.NotificationCompatApi20: can't find referenced method 'java.lang.String getGroup()' in class android.app.Notification
  [2014-08-26 19:55:11 - ] Warning: android.support.v4.app.NotificationCompatApi20: can't find referenced method 'java.lang.String getSortKey()' in class android.app.Notification
  </code></pre>
  
  <p>I am using below entries in my proguard-project.txt file.</p>
  
  <pre><code>-keepclassmembers class fqcn.of.javascript.interface.for.webview {
  public *;
  }
  -keepattributes Signature,RuntimeVisibleAnnotations,AnnotationDefault
  
  -keepclassmembers class * {
  @com.google.api.client.util.Key &lt;fields&gt;;
  }
  -keep class android.support.v4.** { *; }
  -dontwarn **CompatHoneycomb
  -dontwarn javax.jdo.**
  -dontwarn com.google.api.client.extensions.android.**
  -dontwarn com.google.api.client.googleapis.extensions.android.gms.**
  
  # Needed by google-api-client-android when linking against an older platform version
  
  -dontwarn com.google.api.client.googleapis.extensions.android.**
  
  -injars lib/android-support-v4.jar
  -injars lib/gcm.jar
  -injars lib/google-api-client-1.18.0-rc.jar
  -injars lib/google-api-client-android-1.18.0-rc.jar
  -injars lib/google-http-client-1.18.0-rc.jar
  -injars lib/google-http-client-android-1.18.0-rc.jar
  -injars lib/google-http-client-gson-1.18.0-rc.jar
  -injars lib/google-http-client-jackson2-1.18.0-rc.jar
  -injars lib/google-http-client-jdo-1.18.0-rc.jar
  -injars lib/google-oauth-client-1.18.0-rc.jar
  -injars lib/gson-2.1.jar
  -injars lib/jackson-core-2.1.3.jar
  -injars lib/jsr305-1.3.9.jar
  
  # Needed by google-play-services when linking against an older platform version
  
  -dontwarn com.google.android.gms.**
  </code></pre>
  
  <p>I am able to export my .apk file successfully from eclipse if I am using below content in my proguard-project.txt file. BUT when I am installing and running that app in device , it is crashing.</p>
  
  <pre><code>-keep class android.support.v4.** { *; }   
  -dontwarn android.support.v4.**
  -dontwarn javax.activation.**
  -dontwarn javax.security.**
  -dontwarn java.awt.**
  -libraryjars &lt;java.home&gt;/lib/rt.jar
  -keep class javax.** {*;}
  -keep class com.sun.** {*;}
  -keep class myjava.** {*;}
  -keep class org.apache.harmony.** {*;}
  -keep public class Mail {*;}        
  -dontshrink
  -dontwarn org.mockito.**
  -dontwarn sun.reflect.**
  -dontwarn android.test.**
  -keep class javax.ws.rs.** { *; }
  -dontwarn com.fasterxml.jackson.**
  -dontwarn org.xmlpull.v1.**
  -dontwarn javax.jdo.**
  -dontwarn com.google.api.client.googleapis.extensions.android.gms.**
  </code></pre>
  
  <p>Please help me How to fix this. can't I directly export .apk file without using proguard configuration?. Thanks. please let me know if i have to provide more information.</p>