Floss: Create UHID device as long as telephony flag is enabled

Originally, problematic Bluetooth headsets were excluded from creating
a UHID device for user access. This logic has been simplified, and now
a UHID device will be created as long as the telephony flag is enabled.

Bug: 340375662
Test: Conduct the following manual tests
  pair Bluetooth Headset
  Google Meet: headset is able to hang-up the call
Test: Conduct the following manual tests
  pair Bluetooth Headset
  login Ring Central and place an incoming-call
  answer the call by headset
  hangup the call by headset
Test: Conduct the following manual tests
  pair Bluetooth Headset
  login Ring Central and place an incoming-call
  answer the call on Ring Central
  hangup the call from headset
Test: atest bluetooth_test_gd
Tag: #floss
Flag: EXEMPT, no behavior change on Android; Floss-only changes
Change-Id: I369a5b096a7ce607570d845d6962fb9013ca195a