SystemUI: post notifications permission

so the package can send notifications on T+

Bug: 194833441
Change-Id: I1e7b9a92010523ff12ad1aa48002a907da105df2
diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index bcf95d8..6d32f40 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -219,6 +219,7 @@
     <uses-permission android:name="android.permission.MANAGE_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.REVOKE_RUNTIME_PERMISSIONS" />
     <uses-permission android:name="android.permission.GET_RUNTIME_PERMISSIONS" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <!-- It's like, reality, but, you know, virtual -->
     <uses-permission android:name="android.permission.ACCESS_VR_MANAGER" />