Add metadata files for regex-automata.

Bug: 155309706
Change-Id: Id341695426764332dace44d1e7d62611dc3411e2
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..421e63a
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,19 @@
+name: "regex-automata"
+description: "Automata construction and matching using regular expressions."
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://crates.io/crates/regex-automata"
+  }
+  url {
+    type: ARCHIVE
+    value: "https://static.crates.io/crates/regex-automata/regex-automata-0.1.9.crate"
+  }
+  version: "0.1.9"
+  license_type: NOTICE
+  last_upgrade_date {
+    year: 2020
+    month: 12
+    day: 21
+  }
+}