Add checkstyle suppression for "generated" folder
<!-- Generated code should not be subjected to checkstyle. -->
<suppress files="[/\\].*[/\\]generated_src[/\\]" checks="." />
<suppress files="[/\\].*[/\\]generated_testSrc[/\\]" checks="." />
+ <suppress files="[/\\].*[/\\]generated[/\\]" checks="." />
</suppressions>
