Merge "[LE] Add api to check the media device is BT LE device" into tm-dev am: 9e4a0c1ac3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17752390

Change-Id: I61e7ae136df9e17f9fda87e2af73142e6857e537
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

packages/SettingsLib/src/com/android/settingslib/media/MediaDevice.java

@@ -249,6 +249,15 @@ public abstract class MediaDevice implements Comparable<MediaDevice> {
         return mRouteInfo.getClientPackageName();
     }
 
+    /**
+     * Check if the device is Bluetooth LE Audio device.
+     *
+     * @return true if the RouteInfo equals TYPE_BLE_HEADSET.
+     */
+    public boolean isBLEDevice() {
+        return mRouteInfo.getType() == TYPE_BLE_HEADSET;
+    }
+
     /**
      * Get application label from MediaDevice.
      *