Add avf_build_flags_rust defaults to all rust_ modules

Bug: 298008251
Bug: 298012279
Bug: 298007909
Bug: 298008232
Test: builds
Test: presubmit
Change-Id: I5194d7043d5ac60b34162399557b3b657ead8969
diff --git a/libs/vmconfig/Android.bp b/libs/vmconfig/Android.bp
index fe541d3..728033c 100644
--- a/libs/vmconfig/Android.bp
+++ b/libs/vmconfig/Android.bp
@@ -5,6 +5,7 @@
 rust_library {
     name: "libvmconfig",
     crate_name: "vmconfig",
+    defaults: ["avf_build_flags_rust"],
     srcs: ["src/lib.rs"],
     edition: "2021",
     rustlibs: [