去除KEY_DATA， NormalActivity增加适配规则

app/src/main/java/com/gh/gamecenter/DownloadManagerActivity.java

@@ -21,6 +21,10 @@ public class DownloadManagerActivity extends NormalActivity {
 
     public static final String TAG = "DownloadManagerActivity";
 
+    @Override
+    protected Intent provideNormalIntent() {
+        return getIntent(this, DownloadFragment.class);
+    }
 
     public static Intent getDownloadMangerIntent(Context context, String url, String entrance) {
 //        Intent intent = new Intent(context, DownloadManagerActivity.class);