Update BluetoothFacade for PTS automation.

Bluetooth connection can be done purely with code without triggering Settings pop-up or notification now.
Fix line length for BluetoothFacade.

Merging kwd commit c94483697127d5355d1b5ece6383f81f63dbef86
Change-Id: I67049daa71720ea717bd13e049c2cd20b79c5d07
2 files changed