Fix proc-macro-hack/METADATA am: 27cf86656f am: 4fdc88bcd3 am: 71593b5e3e am: 2b7721972c am: b6566b8e51

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/proc-macro-hack/+/1413755

Change-Id: I683990d08e0b9cb256e8deb074cc46d313f8d9a5
diff --git a/METADATA b/METADATA
index 0fd8eb1..39647e9 100644
--- a/METADATA
+++ b/METADATA
@@ -6,8 +6,8 @@
     value: "https://crates.io/crates/proc-macro-hack"
   }
   url {
-    type: GIT
-    value: "https://github.com/dtolnay/proc-macro-hack"
+    type: ARCHIVE
+    value: "https://static.crates.io/crates/proc-macro-hack/proc-macro-hack-0.5.18.crate"
   }
   version: "0.5.18"
   license_type: NOTICE