overlay: Set screenshot work profile files app to DocumentsUI

Fixes NPE when taking a screenshot in work profile.

Change-Id: I73349b168543072be009b41bc2f3711876a10df2

device.mk

@@ -29,7 +29,8 @@ SELINUX_IGNORE_NEVERALLOWS := true
 # Overlay
 PRODUCT_PACKAGES += \
     GsiFrameworkResTarget \
-    GsiLauncher3Target
+    GsiLauncher3Target \
+    GsiSystemUITarget
 
 # Device-specific overlays from phhusson
 include vendor/hardware_overlay/overlay.mk

overlay/GsiSystemUITarget/Android.bp

@@ -0,0 +1,5 @@
+runtime_resource_overlay {
+    name: "GsiSystemUITarget",
+    sdk_version: "current",
+    product_specific: true,
+}

overlay/GsiSystemUITarget/AndroidManifest.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.systemui.overlay.gsi.target">
+    <overlay
+        android:isStatic="true"
+        android:priority="350"
+        android:targetPackage="com.android.systemui" />
+</manifest>

overlay/GsiSystemUITarget/res/values/config.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- ComponentName for the file browsing app that the system would expect to be used in work
+         profile. The icon for this app will be shown to the user when informing them that a
+         screenshot has been saved to work profile. If blank, a default icon will be shown. -->
+    <string name="config_sceenshotWorkProfileFilesApp" translatable="false">com.android.documentsui/.files.LauncherActivity</string>
+</resources>