Settings: Protect sensitive data on the about phone

- Hide some personal info like phone number and IMEI.
- IMEI shows on a tap, so why not.
- Avoid showing this in screenshot/screenrecord

Co-authored-by: El Dainosor <eldainosor@gmail.com>
Change-Id: I45b7898da440c36045aec64a0a86fb804116cd9d