Allow building for device.

Ran 'cargo2android.py --run --device' to update.

Bug: 158290206
Change-Id: I87e73c8a5f9dd0abc0d5bba6ee0ee7c19e3805b4
diff --git a/Android.bp b/Android.bp
index c83e2fa..f1cb8a1 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,7 +1,8 @@
-// This file is generated by cargo2android.py.
+// This file is generated by cargo2android.py --run --device.
 
-rust_library_host_rlib {
+rust_library_rlib {
     name: "libbitflags",
+    host_supported: true,
     crate_name: "bitflags",
     srcs: ["src/lib.rs"],
     edition: "2015",