Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: I670be30472bf67cf263c0321a4a5aa2f6f2dfaff
diff --git a/Android.bp b/Android.bp
index 9442d1c..f1fe3ae 100644
--- a/Android.bp
+++ b/Android.bp
@@ -9,7 +9,7 @@
     crate_name: "pdl_runtime",
     cargo_env_compat: true,
     cargo_pkg_version: "0.2.3",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2021",
     rustlibs: [
         "libbytes",