Merge changes from topic "ka05"

* changes:
  [KA05] Export keepalive offload api for IpSec Nat-T file descriptor
  [KA01] export SocketKeepalive API for NAT-T keepalive
diff --git a/services/net/java/android/net/util/MultinetworkPolicyTracker.java b/core/java/android/net/util/MultinetworkPolicyTracker.java
similarity index 100%
rename from services/net/java/android/net/util/MultinetworkPolicyTracker.java
rename to core/java/android/net/util/MultinetworkPolicyTracker.java
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 2a7d025..fda7279 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -101,7 +101,7 @@
 import android.net.shared.NetworkMonitorUtils;
 import android.net.shared.PrivateDnsConfig;
 import android.net.util.MultinetworkPolicyTracker;
-import android.net.util.NetdService;
+import android.net.shared.NetdService;
 import android.os.Binder;
 import android.os.Build;
 import android.os.Bundle;