Add font family selector ui for distilled page viewer.

chrome/android/java/res/values/arrays.xml

Index: chrome/android/java/res/values/arrays.xml
diff --git a/android_webview/tools/WebViewTelemetryShell/res/values/strings.xml b/chrome/android/java/res/values/arrays.xml
similarity index 45%
copy from android_webview/tools/WebViewTelemetryShell/res/values/strings.xml
copy to chrome/android/java/res/values/arrays.xml
index 420ab8f6719dc68c4483e2fb8332117bee62b964..d8266f3daf15c65f4a6fe3810807b69503be16c7 100644
--- a/android_webview/tools/WebViewTelemetryShell/res/values/strings.xml
+++ b/chrome/android/java/res/values/arrays.xml
@@ -3,9 +3,11 @@
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file.
 -->
-
 <resources>
-    <string name="app_name">WebView Telemetry</string>
-    <string name="title_activity_telemetry">WebView Telemetry</string>
-    <string name="title_activity_jank">WebView Jank Tester</string>
+  <!-- These must be kept in sync (and in-order) with components/dom_distiller/core/font_family_list.h -->
+  <string-array name="distiller_mode_font_family_values">
+    <item>@string/sans_serif</item>
+    <item>@string/serif</item>
+    <item>@string/monospace</item>
+  </string-array>
 </resources>