Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: Ia5c55ffc1ee6c30c939422e2340b3504ea9ff3e4
diff --git a/Android.bp b/Android.bp
index 3b9f87e..40894a4 100644
--- a/Android.bp
+++ b/Android.bp
@@ -8,7 +8,7 @@
     crate_name: "miette_derive",
     cargo_env_compat: true,
     cargo_pkg_version: "5.10.0",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2018",
     rustlibs: [
         "libproc_macro2",