Upgrade rust/crates/lock_api to 0.4.4

Test: make
Change-Id: I35af2e268d9e0035984f0ee655573eae8beb11b2
diff --git a/METADATA b/METADATA
index a684451..efad828 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/lock_api/lock_api-0.4.2.crate"
+    value: "https://static.crates.io/crates/lock_api/lock_api-0.4.4.crate"
   }
-  version: "0.4.2"
+  version: "0.4.4"
   license_type: NOTICE
   last_upgrade_date {
-    year: 2020
-    month: 11
-    day: 17
+    year: 2021
+    month: 5
+    day: 19
   }
 }