Deduplicate InterfaceParams

CS should use InterfaceParams from frameworks/libs/net.

Test: builds
Bug: 222448728
Change-Id: I1f45d3171b265461a8724b4be7b212c030b63fe9
diff --git a/Tethering/src/android/net/ip/RouterAdvertisementDaemon.java b/Tethering/src/android/net/ip/RouterAdvertisementDaemon.java
index 74f9369..c452e55 100644
--- a/Tethering/src/android/net/ip/RouterAdvertisementDaemon.java
+++ b/Tethering/src/android/net/ip/RouterAdvertisementDaemon.java
@@ -37,7 +37,6 @@
 import android.net.LinkAddress;
 import android.net.MacAddress;
 import android.net.TrafficStats;
-import android.net.util.InterfaceParams;
 import android.net.util.SocketUtils;
 import android.system.ErrnoException;
 import android.system.Os;
@@ -45,6 +44,7 @@
 import android.util.Log;
 
 import com.android.internal.annotations.GuardedBy;
+import com.android.net.module.util.InterfaceParams;
 import com.android.net.module.util.structs.Icmpv6Header;
 import com.android.net.module.util.structs.LlaOption;
 import com.android.net.module.util.structs.MtuOption;