Make proc-macro-error available to product and vendor am: cdec10381f am: c022b640ee am: d180d01735 am: 1e34a9b7a3

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/proc-macro-error/+/2476453

Change-Id: I68b68027590ff1ad6e4005d57a1429cd941bb34f
Signed-off-by: Automerger Merge Worker <[email protected]>
diff --git a/Android.bp b/Android.bp
index 8e6090a..d9ada78 100644
--- a/Android.bp
+++ b/Android.bp
@@ -52,7 +52,7 @@
         "syn",
         "syn-error",
     ],
-    cfgs: ["use_fallback"],
+    cfgs: ["skip_ui_tests"],
     rustlibs: [
         "libproc_macro2",
         "libquote",
@@ -60,4 +60,6 @@
     ],
     proc_macros: ["libproc_macro_error_attr"],
     compile_multilib: "first",
+    product_available: true,
+    vendor_available: true,
 }