Merge "LinkProperties: use ordered comparison for P-CSCFs."

framework/src/android/net/LinkProperties.java

@@ -1456,9 +1456,8 @@ public final class LinkProperties implements Parcelable {
      * @hide
      */
     public boolean isIdenticalPcscfs(@NonNull LinkProperties target) {
-        Collection<InetAddress> targetPcscfs = target.getPcscfServers();
-        return (mPcscfs.size() == targetPcscfs.size()) ?
-                    mPcscfs.containsAll(targetPcscfs) : false;
+        // list order is important, compare one by one
+        return target.getPcscfServers().equals(mPcscfs);
     }
 
     /**