Fix futures-macro/METADATA

Bug: 166324735
Test: make
Change-Id: I3600b559c67f39057f39ab0bdde032ac892688ef
diff --git a/METADATA b/METADATA
index 17ad586..2b1a675 100644
--- a/METADATA
+++ b/METADATA
@@ -6,8 +6,8 @@
     value: "https://crates.io/crates/futures-macro"
   }
   url {
-    type: GIT
-    value: "https://github.com/rust-lang/futures-rs"
+    type: ARCHIVE
+    value: "https://static.crates.io/crates/futures-macro/futures-macro-0.3.5.crate"
   }
   version: "0.3.5"
   license_type: NOTICE