Also allow hidden method access.

http://review.cyanogenmod.org/#/c/49689/ requires the chips library to
need access to hidden methods, so the email app needs access to those
too.

Change-Id: If11c44b99a650f0fab958d37a3cdedc6cee3a317
Email: Update Polish translation

PS: Added missing string

Change-Id: Ia64da8d49439711d516213b59bd365204e3d73f2