Add METADATA and OWNERS

Test: None
Change-Id: I0b4c8d52afeab3eac57669356d8e5d762002107f
diff --git a/METADATA b/METADATA
index d97975c..2b3490c 100644
--- a/METADATA
+++ b/METADATA
@@ -1,3 +1,17 @@
+name: "cxx"
+description:
+    "Safe interop between Rust and C++"
+
 third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://github.com/dtolnay/cxx"
+  }
+  url {
+    type: GIT
+    value: "https://github.com/dtolnay/cxx.git"
+  }
+  version: "4ab117115718908768df8366ac130bbbb3478331"
+  last_upgrade_date { year: 2021 month: 2 day: 17 }
   license_type: NOTICE
 }
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..46fc303
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+include platform/prebuilts/rust:/OWNERS