Make crate vendor_available

Bug: 195310053
Test: build, TreeHugger
Change-Id: I0d43ca3e549a49dbeac95c6f2b7cfb692abdac9d
diff --git a/Android.bp b/Android.bp
index bdecc97..a8caf09 100644
--- a/Android.bp
+++ b/Android.bp
@@ -51,4 +51,5 @@
         "//apex_available:platform",
         "com.android.virt",
     ],
+    vendor_available: true,
 }
diff --git a/cargo2android.json b/cargo2android.json
index dbbd0bb..4146df9 100644
--- a/cargo2android.json
+++ b/cargo2android.json
@@ -5,5 +5,6 @@
   ],
   "device": true,
   "force-rlib": true,
-  "run": true
+  "run": true,
+  "vendor-available": true
 }