Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: I0b3478277c76f0f65778ed61ec4a6b4f936078a3
diff --git a/Android.bp b/Android.bp
index a458b34..a78e3ba 100644
--- a/Android.bp
+++ b/Android.bp
@@ -26,7 +26,7 @@
     crate_name: "atty",
     cargo_env_compat: true,
     cargo_pkg_version: "0.2.14",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2015",
     rustlibs: ["liblibc"],
     apex_available: [