Merge "Fix NetworkPolicy logs in dumpsys." am: bcca41baac

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1909697

Change-Id: Ib3aed17d6302b1a28796ead0037c5db629fbd4b3

services/core/java/com/android/server/net/NetworkPolicyLogger.java

@@ -566,7 +566,13 @@ public class NetworkPolicyLogger {
         }
     }
 
-    private static final class Data {
+    /**
+     * Container class for all networkpolicy events data.
+     *
+     * Note: This class needs to be public for RingBuffer class to be able to create
+     * new instances of this.
+     */
+    public static final class Data {
         public int type;
         public long timeStamp;