Send a public broadcast when the device owner is set.

Make it a protected broadcast.

BUG: 22623518
Change-Id: Ia36e8f0b80a6301d7d8e0461476842c78762b5e8
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 3e22e09..1f49929 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -319,6 +319,7 @@
 
     <protected-broadcast android:name="android.internal.policy.action.BURN_IN_PROTECTION" />
     <protected-broadcast android:name="android.app.action.SYSTEM_UPDATE_POLICY_CHANGED" />
+    <protected-broadcast android:name="android.app.action.DEVICE_OWNER_CHANGED" />
     <!-- ====================================================================== -->
     <!--                          RUNTIME PERMISSIONS                           -->
     <!-- ====================================================================== -->