Add `authorizing` value to `IDevice.DeviceState` enum

Currently, `IDevice.getState` returns `null` when the device is
in `authorizing` state. Add `authorizing` enum value to
`IDevice.DeviceState` so that we could log the deviceState as
a non-null value.

Test: existing
Bug: n/a
Change-Id: Ia38e90fb152f261957ad868121a9e5d801314b13
diff --git a/ddmlib/src/main/java/com/android/ddmlib/IDevice.java b/ddmlib/src/main/java/com/android/ddmlib/IDevice.java
index a4837d2..f20a382 100644
--- a/ddmlib/src/main/java/com/android/ddmlib/IDevice.java
+++ b/ddmlib/src/main/java/com/android/ddmlib/IDevice.java
@@ -124,6 +124,7 @@
 
     /** The state of a device. */
     enum DeviceState {
+        AUTHORIZING("authorizing"), //$NON-NLS-1$
         BOOTLOADER("bootloader"), //$NON-NLS-1$
         /** bootloader mode with is-userspace = true though `adb reboot fastboot` */
         FASTBOOTD("fastbootd"), //$NON-NLS-1$