add test to check usb serial == Build.SERIAL

- follows cdd update for KLP
- checks matches of serial, property ro.serialno, Build.SERIAL, and USB serial
- also updated os.Build test regarding minimum length change
- lsusb should be installed in host to make this test pass: apt-get install usbutils

bug: 10298217
Change-Id: Ibe83dcec34924da7d7d08e3e34cbfa11550b3219
7 files changed