Add Shell permission for CTS test.

Add Shell permission for new CTS tests to test the multi-display
functionality in WallpaperService/WallpaperManagerService.

Bug: 123707989
Test: atest WallpaperManagerMultiDisplayTests
Test: atest ActivityManagerMultiDisplayTests

Change-Id: Id97db050a0b9d1940c2dfaa793fbe526df578105
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index 441f88c..d6e61eb 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -182,6 +182,10 @@
     <!-- Permission needed to run keyguard manager tests in CTS -->
     <uses-permission android:name="android.permission.CONTROL_KEYGUARD_SECURE_NOTIFICATIONS" />
 
+    <!-- Permission needed to test wallpaper component -->
+    <uses-permission android:name="android.permission.SET_WALLPAPER" />
+    <uses-permission android:name="android.permission.SET_WALLPAPER_COMPONENT" />
+
     <application android:label="@string/app_label"
                  android:defaultToDeviceProtectedStorage="true"
                  android:directBootAware="true">