Expose vpn bypassability in VpnTransportInfo

Bug: 256775913
Test: m framework-connectivity.stubs.source.system-update-current-api
Test: m lint-check
Test: atest FrameworksNetTests
Change-Id: I6aaad7b4372aa4f91df4bed89caea674031a6367
diff --git a/framework/api/system-current.txt b/framework/api/system-current.txt
index 8b35197..c7872a0 100644
--- a/framework/api/system-current.txt
+++ b/framework/api/system-current.txt
@@ -511,6 +511,15 @@
     field @NonNull public static final android.os.Parcelable.Creator<android.net.TcpKeepalivePacketData> CREATOR;
   }
 
+  public final class VpnTransportInfo implements android.os.Parcelable android.net.TransportInfo {
+    ctor public VpnTransportInfo(int, @Nullable String, boolean);
+    method public int describeContents();
+    method public boolean getBypassable();
+    method public int getType();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.VpnTransportInfo> CREATOR;
+  }
+
 }
 
 package android.net.apf {