overlay: DocumentsUI: Pixel theme Files app

Extracted from blueline (Pixel 3)

Change-Id: If1bbd55246f8a01e9a2086acf5a851bd916fdcf2
Signed-off-by: Anirudh Gupta <anirudhgupta109@gmail.com>

overlay/common/packages/apps/DocumentsUI/res/values/config.xml

@@ -24,4 +24,11 @@
     <bool name="config_default_show_device_root">true</bool>
 
     <string name="default_root_uri" translatable="false">content://com.android.externalstorage.documents/root/primary</string>
+
+    <!-- If this value is true, the default root on action browse will be the root from
+    "default_root_uri". Otherwise, the default root will be the recent root.-->
+    <bool name="feature_default_root_in_browse">true</bool>
+
+    <string name="preferred_root_package">com.google.android</string>
+    <string name="trusted_quick_viewer_package">com.google.android.apps.docs</string>
 </resources>

overlay/common/packages/apps/DocumentsUI/res/values/dimens.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="grid_item_radius">8.0dip</dimen>
+    <dimen name="search_chip_radius">8.0dip</dimen>
+</resources>