Use different UIs for phone's portrait mode in manage offline page.

fix: 5100503

The original UI design is not suitable for phone's portait mode. I move the
UIs from GL view to android View to get better support.

Change-Id: Ice5f536129f66b51cdaf4db1be750be7bc072c7f
diff --git a/src/com/android/gallery3d/app/AbstractGalleryActivity.java b/src/com/android/gallery3d/app/AbstractGalleryActivity.java
index d0d7b0f..0fde9cc 100644
--- a/src/com/android/gallery3d/app/AbstractGalleryActivity.java
+++ b/src/com/android/gallery3d/app/AbstractGalleryActivity.java
@@ -34,6 +34,7 @@
 import android.content.DialogInterface.OnClickListener;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.res.Configuration;
 import android.os.Bundle;
 
 public class AbstractGalleryActivity extends Activity implements GalleryActivity {
@@ -63,6 +64,12 @@
         }
     }
 
+    @Override
+    public void onConfigurationChanged(Configuration config) {
+        super.onConfigurationChanged(config);
+        mStateManager.onConfigurationChange(config);
+    }
+
     public Context getAndroidContext() {
         return this;
     }