Add metadata files for itertools.

Bug: 155309706
Change-Id: Iea48d273607e7a3942a26779a23ee023346eb588
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..95431bf
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,20 @@
+// This file is generated by cargo2android.py --run --device --dependencies.
+// Do not modify this file as changes will be overridden on upgrade.
+
+rust_library {
+    name: "libitertools",
+    host_supported: true,
+    crate_name: "itertools",
+    srcs: ["src/lib.rs"],
+    edition: "2018",
+    features: [
+        "default",
+        "use_std",
+    ],
+    rustlibs: [
+        "libeither",
+    ],
+}
+
+// dependent_library ["feature_list"]
+//   either-1.6.1