Import 'cfg-if' package vesion 0.1.10

* Add OWNERS
Bug: 152884384
Test: make

Change-Id: Id135944347d783924787af4ac087f920f1acbf93
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..25d93f5
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,19 @@
+name: "cfg-if"
+description: "A macro to ergonomically define an item depending on a large number of #[cfg] parameters. Structured like an if-else chain, the first matching branch is the item that gets emitted."
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://crates.io/crates/cfg-if"
+  }
+  url {
+    type: GIT
+    value: "https://github.com/alexcrichton/cfg-if"
+  }
+  version: "0.1.10"
+  license_type: NOTICE
+  last_upgrade_date {
+    year: 2020
+    month: 3
+    day: 31
+  }
+}