Rename resolv_cache_info to NetConfig

No functionality changes.

Bug: 130686826
Test: cd packages/modules/DnsResolver && atest
Change-Id: Ib00da89c60310ceb36adb6cae4ac416194e3d242
diff --git a/resolv_cache_unit_test.cpp b/resolv_cache_unit_test.cpp
index cdefb35..03f8806 100644
--- a/resolv_cache_unit_test.cpp
+++ b/resolv_cache_unit_test.cpp
@@ -902,7 +902,7 @@
     }
 }
 
-// TODO: Tests for struct resolv_cache_info, including:
+// TODO: Tests for NetConfig, including:
 //     - res_params
 //         -- resolv_cache_get_resolver_stats()
 //     - res_stats