Update Android.bp by running cargo_embargo am: 215ed4b722

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/vhost-user-backend/+/3095970

Change-Id: Id054e3062ce17a62687ef9837c71139b1bf71879
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Android.bp b/Android.bp
index 29f13dd..b80b97d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,12 +1,14 @@
 // This file is generated by cargo_embargo.
-// Do not modify this file as changes will be overridden on upgrade.
+// Do not modify this file after the first "rust_*" or "genrule" module
+// because the changes will be overridden on upgrade.
+// Content before the first "rust_*" or "genrule" module is preserved.
 
 rust_library_host {
     name: "libvhost_user_backend",
     crate_name: "vhost_user_backend",
     cargo_env_compat: true,
     cargo_pkg_version: "0.10.1",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2018",
     rustlibs: [
         "liblibc",