Reorganize import for all files.

Change-Id: Ia9188bcde727e317e6a476caccaea562f0758b19
diff --git a/src/com/android/gallery3d/app/GalleryContext.java b/src/com/android/gallery3d/app/GalleryContext.java
index 7721b7d..06f4fe4 100644
--- a/src/com/android/gallery3d/app/GalleryContext.java
+++ b/src/com/android/gallery3d/app/GalleryContext.java
@@ -16,15 +16,13 @@
 
 package com.android.gallery3d.app;
 
-import com.android.gallery3d.data.DataManager;
-import com.android.gallery3d.data.ImageCacheService;
-import com.android.gallery3d.util.ThreadPool;
-
-import android.content.ContentResolver;
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.Looper;
 
+import com.android.gallery3d.data.DataManager;
+import com.android.gallery3d.util.ThreadPool;
+
 public interface GalleryContext {
     public DataManager getDataManager();