Revert "[Bluetooth] Convert BluetoothController logs to log buffer" This reverts commit 2d0a8f3b061110bd50c45b2dd56de6971e25042f. 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