Fix Settings crash when clicks Notifications

- FaceSettingsLockscreenBypassPreferenceController's preference key
is different from that in xml. Use DashboardFragment generic way to
create PreferenceController which bind the preference key defined in
xml.
- Also refine the way of fixing b/140878309

Fixes: 145893081
Test: manual check FaceSettings and Notification Settings
Change-Id: Ia80e755e3f86b44e771b0cf80c9bf53a8ef8f430
diff --git a/src/com/android/settings/biometrics/face/FaceSettings.java b/src/com/android/settings/biometrics/face/FaceSettings.java
index 9c42467..46d288e 100644
--- a/src/com/android/settings/biometrics/face/FaceSettings.java
+++ b/src/com/android/settings/biometrics/face/FaceSettings.java
@@ -63,6 +63,7 @@
     private FaceSettingsAttentionPreferenceController mAttentionController;
     private FaceSettingsRemoveButtonPreferenceController mRemoveController;
     private FaceSettingsEnrollButtonPreferenceController mEnrollController;
+    private FaceSettingsLockscreenBypassPreferenceController mLockscreenController;
     private List<AbstractPreferenceController> mControllers;
 
     private List<Preference> mTogglePreferences;
@@ -129,7 +130,7 @@
         Preference attentionPref = findPreference(FaceSettingsAttentionPreferenceController.KEY);
         Preference confirmPref = findPreference(FaceSettingsConfirmPreferenceController.KEY);
         Preference bypassPref =
-                findPreference(FaceSettingsLockscreenBypassPreferenceController.KEY);
+                findPreference(mLockscreenController.getPreferenceKey());
         mTogglePreferences = new ArrayList<>(
                 Arrays.asList(keyguardPref, appPref, attentionPref, confirmPref, bypassPref));
 
@@ -138,12 +139,10 @@
 
         // There is no better way to do this :/
         for (AbstractPreferenceController controller : mControllers) {
-            if (controller instanceof  FaceSettingsPreferenceController) {
+            if (controller instanceof FaceSettingsPreferenceController) {
                 ((FaceSettingsPreferenceController) controller).setUserId(mUserId);
             } else if (controller instanceof FaceSettingsEnrollButtonPreferenceController) {
                 ((FaceSettingsEnrollButtonPreferenceController) controller).setUserId(mUserId);
-            } else if (controller instanceof FaceSettingsLockscreenBypassPreferenceController) {
-                ((FaceSettingsLockscreenBypassPreferenceController) controller).setUserId(mUserId);
             }
         }
         mRemoveController.setUserId(mUserId);
@@ -151,7 +150,7 @@
         // Don't show keyguard controller for work profile settings.
         if (mUserManager.isManagedProfile(mUserId)) {
             removePreference(FaceSettingsKeyguardPreferenceController.KEY);
-            removePreference(FaceSettingsLockscreenBypassPreferenceController.KEY);
+            removePreference(mLockscreenController.getPreferenceKey());
         }
 
         if (savedInstanceState != null) {
@@ -160,6 +159,14 @@
     }
 
     @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+
+        mLockscreenController = use(FaceSettingsLockscreenBypassPreferenceController.class);
+        mLockscreenController.setUserId(mUserId);
+    }
+
+    @Override
     public void onResume() {
         super.onResume();
 
@@ -263,7 +270,6 @@
         final List<AbstractPreferenceController> controllers = new ArrayList<>();
         controllers.add(new FaceSettingsVideoPreferenceController(context));
         controllers.add(new FaceSettingsKeyguardPreferenceController(context));
-        controllers.add(new FaceSettingsLockscreenBypassPreferenceController(context));
         controllers.add(new FaceSettingsAppPreferenceController(context));
         controllers.add(new FaceSettingsAttentionPreferenceController(context));
         controllers.add(new FaceSettingsRemoveButtonPreferenceController(context));
diff --git a/src/com/android/settings/biometrics/face/FaceSettingsLockscreenBypassPreferenceController.java b/src/com/android/settings/biometrics/face/FaceSettingsLockscreenBypassPreferenceController.java
index 44165b8..cef174d 100644
--- a/src/com/android/settings/biometrics/face/FaceSettingsLockscreenBypassPreferenceController.java
+++ b/src/com/android/settings/biometrics/face/FaceSettingsLockscreenBypassPreferenceController.java
@@ -30,16 +30,10 @@
 public class FaceSettingsLockscreenBypassPreferenceController
         extends FaceSettingsPreferenceController {
 
-    static final String KEY = "security_lockscreen_bypass";
-
     @VisibleForTesting
     protected FaceManager mFaceManager;
     private UserManager mUserManager;
 
-    public FaceSettingsLockscreenBypassPreferenceController(Context context) {
-        this(context, KEY);
-    }
-
     public FaceSettingsLockscreenBypassPreferenceController(Context context, String preferenceKey) {
         super(context, preferenceKey);
         if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_FACE)) {