Update Android.bp by running cargo_embargo am: 031cc656bd

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/merge_derive/+/3095622

Change-Id: Ie03c04bfb43bb897f107f2445d0b168a2a225ea7
Signed-off-by: Automerger Merge Worker <[email protected]>
diff --git a/Android.bp b/Android.bp
index b472399..0565299 100644
--- a/Android.bp
+++ b/Android.bp
@@ -23,7 +23,7 @@
     crate_name: "merge_derive",
     cargo_env_compat: true,
     cargo_pkg_version: "0.1.0",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2018",
     rustlibs: [
         "libproc_macro2",