Notify all VMs when proxy changes.

bug:2700664
Change-Id: I74cc6e0bd6e66847bf18f524ce851e3e9d2c4e87
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index d02ca64..ddc63dd 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -92,6 +92,7 @@
     <protected-broadcast android:name="android.nfc.action.LLCP_LINK_STATE_CHANGED" />
     <protected-broadcast android:name="android.nfc.action.TRANSACTION_DETECTED" />
     <protected-broadcast android:name="android.intent.action.CLEAR_DNS_CACHE" />
+    <protected-broadcast android:name="android.intent.action.PROXY_CHANGE" />
 
     <!-- ====================================== -->
     <!-- Permissions for things that cost money -->