Upgrade rust/crates/clang-sys to 1.1.0

Test: make
Change-Id: I75935786b67a6bea3fce1a07ea94ec60dc13caf6
diff --git a/METADATA b/METADATA
index 8e336ed..7f71132 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/clang-sys/clang-sys-1.0.3.crate"
+    value: "https://static.crates.io/crates/clang-sys/clang-sys-1.1.0.crate"
   }
-  version: "1.0.3"
+  version: "1.1.0"
   license_type: NOTICE
   last_upgrade_date {
-    year: 2020
-    month: 11
-    day: 19
+    year: 2021
+    month: 2
+    day: 9
   }
 }