Fixed formatting

Author: danielroek

packages/image_picker/image_picker/example/android/app/src/test/java/io/flutter/plugins/imagepicker/FileUtilTest.java

@@ -16,7 +16,6 @@
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;