Add UCE Service Down protected broadcast

bug:29173516
Change-Id: I1c5743962dbca9c482ce7d87f6fe570a3249f3fe
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 89abeff..4211f91 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -471,6 +471,7 @@
     <protected-broadcast android:name="com.android.ims.IMS_SERVICE_UP" />
     <protected-broadcast android:name="com.android.ims.IMS_INCOMING_CALL" />
     <protected-broadcast android:name="com.android.ims.internal.uce.UCE_SERVICE_UP" />
+    <protected-broadcast android:name="com.android.ims.internal.uce.UCE_SERVICE_DOWN" />
     <protected-broadcast android:name="com.android.intent.action.IMS_FEATURE_CHANGED" />
     <protected-broadcast android:name="com.android.intent.action.IMS_CONFIG_CHANGED" />