Make vendor available.

Bug: 198197213
Test: N/A
Change-Id: I52b53fceb8b047732e86d0831af2d1710d3fd4e4
diff --git a/Android.bp b/Android.bp
index 4269525..413167b 100644
--- a/Android.bp
+++ b/Android.bp
@@ -41,6 +41,7 @@
 rust_library {
     name: "libserde",
     host_supported: true,
+    vendor_available: true,
     crate_name: "serde",
     cargo_env_compat: true,
     cargo_pkg_version: "1.0.130",
diff --git a/cargo2android.json b/cargo2android.json
index 9340179..60842f7 100644
--- a/cargo2android.json
+++ b/cargo2android.json
@@ -7,6 +7,7 @@
     "std_atomic64"
   ],
   "dependencies": true,
+  "vendor_available": true,
   "device": true,
   "features": "default,derive",
   "run": true,