API_CHANGE: Cleanup, javadoc and unhide more Bluetooth API.

This is a large batch, and covers:

-- Bluetooth Device Discovery --
BluetoothAdapter.ACTION_DISCOVERY_STARTED
BluetoothAdapter.ACTION_DISCOVERY_FINISHED
BluetoothAdapter.startDiscovery()
BluetoothAdapter.cancelDiscovery()
BluetoothAdapter.isDiscovering()

-- Bluetooth bonding (pairing) --
BluetoothAdapter.getBondedDevices()
BluetoothDevice.ACTION_BOND_STATE_CHANGED
BluetoothDevice.EXTRA_BOND_STATE
BluetoothDevice.EXTRA_PREVIOUS_BOND_STATE
BluetoothDevice.BOND_NONE
BluetoothDevice.BOND_BONDING
BluetoothDevice.BOND_BONDED
BluetoothDevice.getBondState()
BluetoothDevice.createBond()
BluetoothDevice.cancelBondProcess()
BluetoothDevice.removeBond()

-- BluetoothClass --
BluetoothDevice.ACTION_CLASS_CHANGED
BluetoothDevice.EXTRA_CLASS
BluetoothDevice.getBluetoothClass()
BluetoothClass.Service.*
BluetoothClass.Device.Major.*
BluetoothClass.Device.*
BluetoothClass.getDeviceClass()
BluetoothClass.getMajorDeviceClass()
BluetoothClass.hasService()

-- Misc BluetoothDevice --
BluetoothDevice.ACTION_ACL_CONNECTED
BluetoothDevice.ACTION_ACL_DISCONNECTED_REQUESTED
BluetoothDevice.ACTION_ACL_DISCONNECTED
BluetoothDevice.ACTION_DISCOVERED
BluetoothDevice.ACTION_NAME_CHANGED
BluetoothDevice.EXTRA_DEVICE
BluetoothDevice.EXTRA_NAME
BluetoothDevice.EXTRA_RSSI

-- Misc BluetoothAdapter --
BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED
BluetoothAdapter.EXTRA_LOCAL_NAME
BluetoothAdapter.checkBluetoothAddress()

I deprecated BluetoothIntent and moved each intent into the class it relates
to.

Change-Id: I877b1280428ab46278b2bc25668bb44cda22dc36
15 files changed