Use java BpfMap in BpfNetMaps#replaceUidChain

Bug: 217624062
Test: atest BpfNetMapsTest
Change-Id: Ib2a2c2646834110a3eeeb786a4ea7a3f85718be8
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index 6ccd77e..28f0699 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -5949,7 +5949,7 @@
      *
      * @param chain target chain to replace.
      * @param uids The list of UIDs to be placed into chain.
-     * @throws IllegalStateException if replacing the firewall chain failed.
+     * @throws UnsupportedOperationException if called on pre-T devices.
      * @throws IllegalArgumentException if {@code chain} is not a valid chain.
      * @hide
      */