[fuzzer] Fix fuzzer compile error libvm_payload already defined

Prior to this cl `SANITIZE_TARGET=address m example_fuzzer` failed
with an error showing that libvm_payload is already defined.

Bug: 250854486
Test: SANITIZE_TARGET=address m example_fuzzer
Change-Id: I4107b4aeb227dceae46c6d2339329316210354b6
diff --git a/microdroid/vm_payload/Android.bp b/microdroid/vm_payload/Android.bp
index eeca1c1..cca3639 100644
--- a/microdroid/vm_payload/Android.bp
+++ b/microdroid/vm_payload/Android.bp
@@ -20,6 +20,9 @@
     apex_available: [
         "com.android.compos",
     ],
+    sanitize: {
+        address: false,
+    },
 }
 
 rust_bindgen {