Add new device state "unauthorized"

JB+ devices need the user to authorize the computer trying to connect to
the device. This will allow developers using this library to easily get
the device state, which is updated with device.update()

Author: simonsickle-old

AndroidLib/Classes/AndroidController/Device.cs

@@ -74,6 +74,8 @@ private DeviceState SetState()
                     return DeviceState.RECOVERY;
                 case "fastboot":
                     return DeviceState.FASTBOOT;
+                case "unauthorized":
+                    return DeviceState.UNAUTHORIZED;
                 default:
                     return DeviceState.UNKNOWN;
             }

AndroidLib/Classes/AndroidController/Enums.cs

@@ -55,6 +55,11 @@ public enum DeviceState
         /// </summary>
         FASTBOOT,
 
+        /// <summary>
+        /// <see cref="Device"/> is not authorized
+        /// </summary>
+        UNAUTHORIZED,
+
         /// <summary>
         /// <see cref="Device"/> is in an unknown state
         /// </summary>