Update keyguard layouts on phone

- Go back to using old date format
- All keyguard text is now caps
- Lower brightness on emergency call text
- Fixed CR/LF issue with Owner info
- Added new alarm icon and fixed padding
- Swapped Google Now and lock icon in landscape mode
- Centered PIN/Password/Pattern help text in view in portrait
- Fixed keyboard size issue in landscape
- Merge new assets from UX

Change-Id: I7adb44b6c9a57d40cab0a77433d43291fb277568