1 .merge upstream

2. upgrade gradle version
3. upgrdle plugin
4. add closeLoadAnimation

Author: AllenCoder

library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.java

@@ -1565,6 +1565,12 @@ public void openLoadAnimation(BaseAnimation animation) {
     public void openLoadAnimation() {
         this.mOpenAnimationEnable = true;
     }
+    /**
+     * To close the animation when loading
+     */
+    public void closeLoadAnimation() {
+        this.mOpenAnimationEnable = false;
+    }
 
     /**
      * {@link #addAnimation(RecyclerView.ViewHolder)}