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/vmbase/Android.bp b/vmbase/Android.bp
index 71b9e76..b2b1549 100644
--- a/vmbase/Android.bp
+++ b/vmbase/Android.bp
@@ -15,6 +15,7 @@
 // Used by intermediate rust_library_rlib for vmbase-based binaries.
 rust_defaults {
     name: "vmbase_rlib_defaults",
+    defaults: ["avf_build_flags_rust"],
     edition: "2021",
     prefer_rlib: true,
     host_supported: false,