Make zerocopy available to product and vendor

Bug: 270690570

Test: mma in external/rust/crates
Change-Id: Ic13468c427fcb11377a081d29aa89bd12ee00a07
diff --git a/Android.bp b/Android.bp
index 562ee9c..7f71ea6 100644
--- a/Android.bp
+++ b/Android.bp
@@ -34,6 +34,8 @@
         "//apex_available:platform",
         "//apex_available:anyapex",
     ],
+    product_available: true,
+    vendor_available: true,
 }
 
 rust_test {