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/microdroid/init_debug_policy/Android.bp b/microdroid/init_debug_policy/Android.bp
index afc2e73..ed017e5 100644
--- a/microdroid/init_debug_policy/Android.bp
+++ b/microdroid/init_debug_policy/Android.bp
@@ -4,6 +4,7 @@
 
 rust_binary {
     name: "microdroid_init_debug_policy",
+    defaults: ["avf_build_flags_rust"],
     srcs: ["src/init_debug_policy.rs"],
     stem: "init_debug_policy",
     rustlibs: [