Expose VpnTransportInfo as module-lib API.

This information originates in non-mainline system server code
and needs to be passed to the connectivity mainline code.

Bug: 173331190
Test: already covered by CTS tests
Change-Id: Ic612b6a51f7ec13e2213c8754312cf716130c876

2 files changed, 20 insertions, 2 deletions

diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index c7d96effba11..1fb5de3170db 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -72,6 +72,14 @@ package android.net {
     field @NonNull public final java.util.List<java.lang.String> underlyingIfaces;
   }
 
+  public final class VpnTransportInfo implements android.os.Parcelable android.net.TransportInfo {
+    ctor public VpnTransportInfo(int);
+    method public int describeContents();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.VpnTransportInfo> CREATOR;
+    field public final int type;
+  }
+
 }
 
 package android.os {
diff --git a/core/java/android/net/VpnTransportInfo.java b/packages/Connectivity/framework/src/android/net/VpnTransportInfo.java
index 082fa58f8ac2..0242ba08742c 100644
--- a/core/java/android/net/VpnTransportInfo.java
+++ b/packages/Connectivity/framework/src/android/net/VpnTransportInfo.java
@@ -16,8 +16,10 @@
 
 package android.net;
 
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+
 import android.annotation.NonNull;
-import android.annotation.Nullable;
+import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.SparseArray;
@@ -26,7 +28,15 @@ import com.android.internal.util.MessageUtils;
 
 import java.util.Objects;
 
-/** @hide */
+/**
+ * Container for VPN-specific transport information.
+ *
+ * @see android.net.TransportInfo
+ * @see NetworkCapabilities#getTransportInfo()
+ *
+ * @hide
+ */
+@SystemApi(client = MODULE_LIBRARIES)
 public final class VpnTransportInfo implements TransportInfo, Parcelable {
     private static final SparseArray<String> sTypeToString =
             MessageUtils.findMessageNames(new Class[]{VpnManager.class}, new String[]{"TYPE_VPN_"});