Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: I7bdfca42c3e354817d723ff992755df849ee2e70
diff --git a/Android.bp b/Android.bp
index 4031f98..69902b5 100644
--- a/Android.bp
+++ b/Android.bp
@@ -8,7 +8,7 @@
     crate_name: "annotate_snippets",
     cargo_env_compat: true,
     cargo_pkg_version: "0.9.2",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2018",
     features: ["default"],
     rustlibs: ["libunicode_width"],