Update Android.bp by running cargo_embargo am: 40b1ad7d04

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/protobuf-json-mapping/+/3093436

Change-Id: Ie434622d698b1cab3a195ef9b9738ea619a9210e
Signed-off-by: Automerger Merge Worker <[email protected]>
diff --git a/Android.bp b/Android.bp
index 49fe9d8..257a1e0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,5 +1,7 @@
 // This file is generated by cargo_embargo.
-// Do not modify this file as changes will be overridden on upgrade.
+// Do not modify this file after the first "rust_*" or "genrule" module
+// because the changes will be overridden on upgrade.
+// Content before the first "rust_*" or "genrule" module is preserved.
 
 package {
     default_applicable_licenses: [
@@ -26,7 +28,7 @@
     crate_name: "protobuf_json_mapping",
     cargo_env_compat: true,
     cargo_pkg_version: "3.2.0",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2021",
     rustlibs: [
         "libprotobuf",
@@ -47,7 +49,7 @@
     crate_name: "protobuf_json_mapping",
     cargo_env_compat: true,
     cargo_pkg_version: "3.2.0",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     test_suites: ["general-tests"],
     auto_gen_config: true,
     test_options: {