Add Android.bp

Test: cd external/rust/crates/scopeguard; mm
Change-Id: I56f63f26411884ecc49b69f89b34cf61cb92b983
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..49cedb5
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,13 @@
+// This file is generated by cargo2android.py --run --device --dependencies.
+
+rust_library {
+    name: "libscopeguard",
+    host_supported: true,
+    crate_name: "scopeguard",
+    srcs: ["src/lib.rs"],
+    edition: "2015",
+    features: [
+        "default",
+        "use_std",
+    ],
+}