Make percent-encoding available to product and vendor

Bug: 270690570

Test: mma in external/rust/crates
Change-Id: Iea6862745280c1c00c81a5038eed0288eed332b9
diff --git a/Android.bp b/Android.bp
index 55cce55..6183c54 100644
--- a/Android.bp
+++ b/Android.bp
@@ -56,5 +56,7 @@
         "//apex_available:platform",
         "com.android.resolv",
     ],
+    product_available: true,
+    vendor_available: true,
     min_sdk_version: "29",
 }