Make classes non-final so mockito can mock them.

Bug: 33341275
Test: RunSettingsRoboTests
Change-Id: If83180d7caf3af29c9d0dcdc20d557d8d9827c74
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java
index 52e686c9b..e279a09 100644
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java
@@ -42,7 +42,7 @@
  * functionality that can be performed on the device (connect, pair, disconnect,
  * etc.).
  */
-public final class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice> {
+public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice> {
     private static final String TAG = "CachedBluetoothDevice";
     private static final boolean DEBUG = Utils.V;