BT tests fix for CF auto

Keep only one default command to launch BluetoothMediaBrowserService.
Different command for CF auto will be a runtime config override.
Add bugreport for BT tests.
Check availability of cancel button before attempt to click it.
Input phone number with '+' on auto
Enable video recording for phone_notpaired
Add 2 CF timezones to dict
Launch dialer app on phone using adb command instead of UI click since dialer app doesn't have "Phone" label on CF
Fix a few typo and missing refactor

Bug: 418063595
Test: https://paste.googleplex.com/6385208062115840
Test: https://paste.googleplex.com/6230131674447872
Test: https://paste.googleplex.com/5717278924210176
Test: https://paste.googleplex.com/6423764402962432

Change-Id: I5f9dac651859da7fd66c1169c2d92e380e917c06
16 files changed