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/service_vm_comm/Android.bp b/libs/service_vm_comm/Android.bp
index 18397c5..cdb8fc3 100644
--- a/libs/service_vm_comm/Android.bp
+++ b/libs/service_vm_comm/Android.bp
@@ -5,6 +5,7 @@
 rust_defaults {
     name: "libservice_vm_comm_defaults",
     crate_name: "service_vm_comm",
+    defaults: ["avf_build_flags_rust"],
     srcs: ["src/lib.rs"],
     prefer_rlib: true,
     apex_available: [