Add Biometrics settings inside private space One Lock settings

This includes below changes:
- Add Biometrics preferernce in Private Space One Lock settings page
- Face and Fingerprint enrolment for Private profile
- Feature is behind flag android.multiuser.enable_biometrics_to_unlock_private_space

Screenshots:
go/ss/9cWZRAuvGGW7gMm.png
go/ss/B3NoFbL3KbpSzeN.png
go/ss/7xH3DLi9d6Lu2mR.png
go/ss/8WBEgKychWpduXg.png
go/ss/8pmPGshd9aiPvVC.png
go/ss/AFPBPbiaBBvTj3p.png
go/ss/3fE4XKLLUdP8LmF.png

Bug: 308862923
Test: atest CombinedBiometricStatusUtilsTest, atest FaceFingerprintUnlockControllerTest
Change-Id: I1853107a4df4fc97db53c97524c6d44a4f554e37

res/xml/private_space_biometric_settings.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2023 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:title="@string/private_space_biometric_title"
+    settings:searchable="false">
+
+    <com.android.settingslib.widget.TopIntroPreference
+        android:title="@string/biometric_settings_intro"
+        settings:searchable="false" />
+
+    <PreferenceCategory
+        android:key="biometric_ways_to_unlock"
+        android:title="@string/private_space_category_ways_to_unlock"
+        settings:searchable="false">
+
+        <com.android.settingslib.RestrictedPreference
+            android:key="private_space_fingerprint_unlock_settings"
+            android:title="@string/private_space_fingerprint_unlock_title"
+            android:summary="@string/summary_placeholder"
+            settings:controller="com.android.settings.privatespace.onelock.PrivateSpaceFingerprintPreferenceController"
+            settings:searchable="false" />
+
+        <com.android.settingslib.RestrictedPreference
+            android:key="private_space_face_unlock_settings"
+            android:title="@string/private_space_face_unlock_title"
+            android:summary="@string/summary_placeholder"
+            settings:controller="com.android.settings.privatespace.onelock.PrivateSpaceFacePreferenceController"
+            settings:searchable="false" />
+
+    </PreferenceCategory>
+</PreferenceScreen>

res/xml/privatespace_one_lock.xml

@@ -34,11 +34,11 @@
         android:summary="@string/unlock_set_unlock_mode_pattern"
         settings:searchable="false" />
 
-    <Preference
+    <com.android.settingslib.RestrictedPreference
         android:key="private_space_biometrics"
         android:title="@string/private_space_biometric_title"
-        android:summary="@string/private_space_biometric_summary"
-        android:fragment="com.android.settings.privatespace.onelock.FaceFingerprintUnlockFragment"
+        android:summary="@string/summary_placeholder"
+        android:fragment="com.android.settings.privatespace.onelock.PrivateSpaceBiometricSettings"
         settings:searchable="false" />
 
 </PreferenceScreen>