Expose netId by adding getter API

Bug: 151156820
Test: m
      atest TetetheringTests

Clean CP from ag/10747732

Change-Id: Ieb1483c146aa2f7d8f251157e6e81d71c44ae899
Merged-In: Ieb1483c146aa2f7d8f251157e6e81d71c44ae899

1 files changed, 12 insertions, 1 deletions

diff --git a/core/java/android/net/Network.java b/core/java/android/net/Network.java
index 2bac7a97b717..3d641f5a0029 100644
--- a/core/java/android/net/Network.java
+++ b/core/java/android/net/Network.java
@@ -65,7 +65,7 @@ public class Network implements Parcelable {
      * The unique id of the network.
      * @hide
      */
-    @SystemApi
+    @UnsupportedAppUsage
     public final int netId;
 
     // Objects used to perform per-network operations such as getSocketFactory
@@ -171,6 +171,17 @@ public class Network implements Parcelable {
     }
 
     /**
+     * Get the unique id of the network.
+     *
+     * @hide
+     */
+    @TestApi
+    @SystemApi
+    public int getNetId() {
+        return netId;
+    }
+
+    /**
      * Returns a netid marked with the Private DNS bypass flag.
      *
      * This flag must be kept in sync with the NETID_USE_LOCAL_NAMESERVERS flag