Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: Ic8c4c69faf6f17b068718724c67b82629767b71d

Android.bp

diff --git a/Android.bp b/Android.bp
index 4d7a7b8..bb0dc83 100644
--- a/Android.bp
+++ b/Android.bp
@@ -8,7 +8,7 @@
     crate_name: "linkme_impl",
     cargo_env_compat: true,
     cargo_pkg_version: "0.3.10",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2021",
     rustlibs: [
         "libproc_macro2",