Merge "Make VCN network policy listener oneway" am: dd2877eabe am: 6a95ca0b62 am: 00b31c836d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1619899

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I1fce372f232d97b9df5e61c020bcc2932a77292e

core/java/android/net/vcn/IVcnUnderlyingNetworkPolicyListener.aidl

@@ -17,6 +17,6 @@
 package android.net.vcn;
 
 /** @hide */
-interface IVcnUnderlyingNetworkPolicyListener {
+oneway interface IVcnUnderlyingNetworkPolicyListener {
     void onPolicyChanged();
 }