media: add BluetoothProfileConnectionInfo::createHfpInfo()

Add BluetoothProfileConnectionInfo::createHfpInfo() factory method
in preparation of HFP device management refactoring.

Also generalize BluetoothProfileConnectionInfo.isLeOutput() to
isOutput() for use by multiple profiles.

Bug: 265057196
Test: make
Change-Id: I444f401fb836f524f6d0b905744842869e466ea1
Merged-In: I444f401fb836f524f6d0b905744842869e466ea1
2 files changed