Move state dumpsys (to BluetoothManagerService)

BluetoothManagerService will dump basic state about Bluetooth now for
standard dumpsys arguments. Move it from here and track which apps enable /
disable Bluetooth.

Test: enable/disable a few times, check that apps are recorded correctly
Bug: 33692282
Change-Id: I7505ba25a5cafda061fa23774cc31a6b83909d34

src/com/android/bluetooth/btservice/AdapterService.java

@@ -2552,28 +2552,6 @@ public class AdapterService extends Service {
         return getResources().getInteger(R.integer.config_bluetooth_operating_voltage_mv) / 1000.0;
     }
 
-    private String getStateString() {
-        int state = getState();
-        switch (state) {
-            case BluetoothAdapter.STATE_OFF:
-                return "STATE_OFF";
-            case BluetoothAdapter.STATE_TURNING_ON:
-                return "STATE_TURNING_ON";
-            case BluetoothAdapter.STATE_ON:
-                return "STATE_ON";
-            case BluetoothAdapter.STATE_TURNING_OFF:
-                return "STATE_TURNING_OFF";
-            case BluetoothAdapter.STATE_BLE_TURNING_ON:
-                return "STATE_BLE_TURNING_ON";
-            case BluetoothAdapter.STATE_BLE_ON:
-                return "STATE_BLE_ON";
-            case BluetoothAdapter.STATE_BLE_TURNING_OFF:
-                return "STATE_BLE_TURNING_OFF";
-            default:
-                return "UNKNOWN STATE: " + state;
-        }
-    }
-
     @Override
     protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
         enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
@@ -2591,20 +2569,6 @@ public class AdapterService extends Service {
             }
         }
 
-        long onDuration = System.currentTimeMillis() - mBluetoothStartTime;
-        String onDurationString = String.format("%02d:%02d:%02d.%03d",
-                                      (int)(onDuration / (1000 * 60 * 60)),
-                                      (int)((onDuration / (1000 * 60)) % 60),
-                                      (int)((onDuration / 1000) % 60),
-                                      (int)(onDuration % 1000));
-
-        writer.println("Bluetooth Status");
-        writer.println("  enabled: " + isEnabled());
-        writer.println("  state: " + getStateString());
-        writer.println("  address: " + getAddress());
-        writer.println("  name: " + getName());
-        writer.println("  time since enabled: " + onDurationString + "\n");
-
         writer.println("Bonded devices:");
         for (BluetoothDevice device : getBondedDevices()) {
           writer.println("  " + device.getAddress()