Make crate vendor available

Test: m
Bug: 235777894
Bug: 245578454
Ignore-AOSP-First: cherry-pick from AOSP
Merged-In: I4cdd2c746779f4131361055d3b417dd52885d1e8
Change-Id: I4cdd2c746779f4131361055d3b417dd52885d1e8
(cherry picked from commit 33614408ab2ef5fe178abf33906be9545cc852cb)
diff --git a/cargo2android.json b/cargo2android.json
index 76ddc04..16de8f8 100644
--- a/cargo2android.json
+++ b/cargo2android.json
@@ -5,5 +5,6 @@
   "copy-out": true,
   "device": true,
   "run": true,
-  "tests": true
-}
\ No newline at end of file
+  "tests": true,
+  "vendor-available": true
+}