Make crate vendor available

Test: m
Bug: 235777894
Change-Id: I23bc05bc0b8362fc987768d5bfd1fd8128319669
diff --git a/Android.bp b/Android.bp
index 5f32482..53a1f19 100644
--- a/Android.bp
+++ b/Android.bp
@@ -65,4 +65,5 @@
         "//apex_available:platform",
         "com.android.virt",
     ],
+    vendor_available: true,
 }
diff --git a/cargo2android.json b/cargo2android.json
index cdb5c0d..9d1acf4 100644
--- a/cargo2android.json
+++ b/cargo2android.json
@@ -6,5 +6,6 @@
   "dependencies": true,
   "device": true,
   "features": "default,small_rng",
-  "run": true
-}
\ No newline at end of file
+  "run": true,
+  "vendor-available": true
+}