Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: Id560a4b7ba2860350bd9a38ccea9d25ae276b5eb
diff --git a/Android.bp b/Android.bp
index 65c67be..e50b50e 100644
--- a/Android.bp
+++ b/Android.bp
@@ -44,7 +44,7 @@
     crate_name: "pest_meta",
     cargo_env_compat: true,
     cargo_pkg_version: "2.7.6",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2021",
     features: ["default"],
     rustlibs: [