AudioDeviceInfo.TYPE_DOCK more javadoc

Clarify the difference between TYPE_DOCK and TYPE_DOCK_ANALOG.

Bug: 260151609
Test: verify javadoc
Change-Id: Ic284ca3942061b875e2a74469040cc4277940593

media/java/android/media/AudioDeviceInfo.java

@@ -89,6 +89,8 @@ public final class AudioDeviceInfo {
     public static final int TYPE_USB_ACCESSORY    = 12;
     /**
      * A device type describing the audio device associated with a dock.
+     * Starting at API 34, this device type only represents digital docks, while docks with an
+     * analog connection are represented with {@link #TYPE_DOCK_ANALOG}.
      * @see #TYPE_DOCK_ANALOG
      */
     public static final int TYPE_DOCK             = 13;