Remove test-purpose constructor from SavedBluetoothDeviceUpdater

- replace mock object with ShadowBluetoothAdapter

Bug: 111848213
Test: make -j50 RunSettingsRoboTests
Change-Id: Iff69ed511b23846078925609bb603ae414956ea3

src/com/android/settings/bluetooth/SavedBluetoothDeviceUpdater.java

@@ -16,16 +16,13 @@
 package com.android.settings.bluetooth;
 
 import android.bluetooth.BluetoothDevice;
-import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.util.Log;
 
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
-import com.android.settingslib.bluetooth.LocalBluetoothManager;
 
-import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 
 /**
@@ -41,13 +38,6 @@ public class SavedBluetoothDeviceUpdater extends BluetoothDeviceUpdater
         super(context, fragment, devicePreferenceCallback);
     }
 
-    @VisibleForTesting
-    SavedBluetoothDeviceUpdater(DashboardFragment fragment,
-            DevicePreferenceCallback devicePreferenceCallback,
-            LocalBluetoothManager localBluetoothManager) {
-        super(fragment, devicePreferenceCallback, localBluetoothManager);
-    }
-
     @Override
     public boolean isFilterMatched(CachedBluetoothDevice cachedDevice) {
         final BluetoothDevice device = cachedDevice.getDevice();