ParanoidThemePicker: Use Google Sans in lock screen clock preview

Change-Id: Ifef1ad06322bcdbf52c9b251a7921e3672bbebbf
Signed-off-by: ralph950412 <ralph950412@gmail.com>

res/font/clock.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+     Copyright (C) 2021 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.
+-->
+<font-family xmlns:android="http://schemas.android.com/apk/res/android">
+    <font android:font="@font/google_sans_clock" />
+    <font android:typeface="monospace"/>
+</font-family>