Ready for AOSB

- PS1. Change roomservice.py for AOSB
- PS2. Add 'odex' commend : '. build/envsetup.sh && odex n7100' it compile with odex
- PS3. Add Build timer
- PS4. Print AOSB build time with AOSB install
- PS5. Print Device name with AOSB install
- PS6. Print Progress with AOSB install