Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: Ice1bc43458c35db7ed5fb2005c61e94640edfafb
diff --git a/Android.bp b/Android.bp
index 4ff3cd0..bd39d41 100644
--- a/Android.bp
+++ b/Android.bp
@@ -45,7 +45,7 @@
     crate_name: "clap_lex",
     cargo_env_compat: true,
     cargo_pkg_version: "0.3.2",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2021",
     rustlibs: ["libos_str_bytes"],
     apex_available: [