Merge sub pages for lock/unlock into 1 xml.

And create PreferenceControllers for each setting

The page is still pretty janky and controllers are invoked manually.
Next CL will clean these up.

Bug: 32953042
Test: TODO
Change-Id: I1d7478324f5de4fdb464d79f89086f7e79c0ee67

src/com/android/settings/security/FingerprintProfileStatusPreferenceController.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+package com.android.settings.security;
+
+import android.content.Context;
+import android.os.UserHandle;
+
+public class FingerprintProfileStatusPreferenceController
+        extends FingerprintStatusPreferenceController {
+
+    public static final String KEY_FINGERPRINT_SETTINGS = "fingerprint_settings_profile";
+
+    public FingerprintProfileStatusPreferenceController(Context context) {
+        super(context, KEY_FINGERPRINT_SETTINGS);
+    }
+
+    @Override
+    protected boolean isUserSupported() {
+        return mProfileChallengeUserId != UserHandle.USER_NULL
+                && mLockPatternUtils.isSeparateProfileChallengeAllowed(mProfileChallengeUserId);
+    }
+
+    @Override
+    protected int getUserId() {
+        return mProfileChallengeUserId;
+    }
+}