Allow protected broadcasts in tests

SysUI must send protected broadcasts to avoid system impersonation.
Our tests should also allow these types of broadcasts, otherwise
they will be dropped/skipped on -user builds and functionality
will be broken.

This CL also protects the flashlight broadcast.

Fixes: 110825884
Test: atest com.android.systemui.qs.external.TileServicesTest
Change-Id: I5a3dfc569c1695366e5f0e48cda8a7a32e287e7d

packages/SystemUI/AndroidManifest.xml

@@ -216,6 +216,7 @@
 
     <protected-broadcast android:name="com.android.settingslib.action.REGISTER_SLICE_RECEIVER" />
     <protected-broadcast android:name="com.android.settingslib.action.UNREGISTER_SLICE_RECEIVER" />
+    <protected-broadcast android:name="com.android.settings.flashlight.action.FLASHLIGHT_CHANGED" />
 
     <application
         android:name=".SystemUIApplication"

packages/SystemUI/tests/AndroidManifest.xml

@@ -17,6 +17,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    android:sharedUserId="android.uid.system"
     package="com.android.systemui.tests">
 
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />