Settings: ES translations

- Add missing AOSP string
- From 3rd to 2nd person
- Fix typos

Change-Id: I2a094f3d222b787a33993d9cba50aee77c65b694
Merge "Settings: ES translations" into cm-10.1
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_packages_apps_Settings into myjb-next