Make proc-macro2 available to product and vendor am: 1ea12c6feb am: 051ccb49c8 am: ca697ae367 am: f58bf703cb am: 7bf83716d7

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/proc-macro2/+/2476452

Change-Id: Ib923f59d50eac742bbd3fc45875aaa1f9347fde6
Signed-off-by: Automerger Merge Worker <[email protected]>
diff --git a/Android.bp b/Android.bp
index e792ecb..50a5f59 100644
--- a/Android.bp
+++ b/Android.bp
@@ -59,6 +59,8 @@
         "libunicode_ident",
     ],
     compile_multilib: "first",
+    product_available: true,
+    vendor_available: true,
 }
 
 rust_defaults {