Remove onAccountSet from UploadFilesActivity

Signed-off-by: Chris Narkiewicz <hello@ezaquarii.com>

src/main/java/com/owncloud/android/ui/activity/UploadFilesActivity.java

@@ -677,8 +677,8 @@ public class UploadFilesActivity extends FileActivity implements
     }
 
     @Override
-    protected void onAccountSet(boolean stateWasRecovered) {
-        super.onAccountSet(stateWasRecovered);
+    protected void onStart() {
+        super.onStart();
         if (getAccount() != null) {
             if (!mAccountOnCreation.equals(getAccount())) {
                 setResult(RESULT_CANCELED);