Copy proguard rules needed for Lifecycle support

    public static ** SEARCH_INDEX_DATA_PROVIDER;

    public static ** SUMMARY_PROVIDER_FACTORY;

}

# Keep classes, annotations and members used by Lifecycle

-keepattributes *Annotation*

-keepclassmembers enum android.arch.lifecycle.Lifecycle$Event {

    <fields>;

}

-keep class * implements android.arch.lifecycle.LifecycleObserver {

}

-keep class * implements android.arch.lifecycle.GeneratedAdapter {

    <init>(...);

}

-keepclassmembers class ** {

    @android.arch.lifecycle.OnLifecycleEvent *;

}