Trebuchet: Added arrays.xml for Polish language

Change-Id: I895197cd8387b2ac40964180b1b70051a7de7e87
Merge "Trebuchet: Added arrays.xml for Polish language" into cm-10.1
Merge branch 'cm-10.1' of https://github.com/CyanogenMod/android_packages_apps_Trebuchet into semistock