Add Android.bp

Test: Build
Change-Id: I7b983ee350a56432a1469214a0357cecd99f0199
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..870ce4b
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,19 @@
+// This file is generated by cargo2android.py --run --dependencies --device.
+
+rust_proc_macro {
+    name: "libnum_derive",
+    crate_name: "num_derive",
+    srcs: ["src/lib.rs"],
+    edition: "2018",
+    rustlibs: [
+        "libproc_macro2",
+        "libquote",
+        "libsyn",
+    ],
+}
+
+// dependent_library ["feature_list"]
+//   proc-macro2-1.0.19 "default,proc-macro"
+//   quote-1.0.7 "default,proc-macro"
+//   syn-1.0.35 "clone-impls,default,derive,parsing,printing,proc-macro,quote"
+//   unicode-xid-0.2.1 "default"