Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: I83da6b2c24aa3b511a40bc4a54adebec827b89c7
diff --git a/Android.bp b/Android.bp
index 851f359..ab12a41 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,5 +1,6 @@
 // This file is generated by cargo_embargo.
-// Do not modify this file as most 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.
 
 package {
@@ -25,7 +26,7 @@
     crate_name: "vsock",
     cargo_env_compat: true,
     cargo_pkg_version: "0.5.0",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2021",
     rustlibs: [
         "liblibc",