Revert "[Bluetooth] Convert BluetoothController logs to log buffer"

This reverts commit 2d0a8f3b.

Reason for revert: b/246876230 

It looks like the log are not working because the device can be null. This mean the log never worked before too.

Change-Id: Ia786886420db3dbcdb31e4f1a641088b2fedf897