Migrate to cargo_embargo.

Bug: 293289578
Test: Ran cargo_embargo, compared Android.bp
Change-Id: I4bf5b90ecdb678f4f80e5ea71b04c19834596a82
diff --git a/Android.bp b/Android.bp
index 70ea7d7..1089f61 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,4 +1,4 @@
-// This file is generated by cargo2android.py --config cargo2android.json.
+// This file is generated by cargo_embargo.
 // Do not modify this file as changes will be overridden on upgrade.
 
 package {
@@ -63,6 +63,29 @@
     min_sdk_version: "29",
 }
 
+rust_test {
+    name: "serde_test_src_lib",
+    host_supported: true,
+    crate_name: "serde",
+    cargo_env_compat: true,
+    cargo_pkg_version: "1.0.158",
+    srcs: ["src/lib.rs"],
+    test_suites: ["general-tests"],
+    auto_gen_config: true,
+    test_options: {
+        unit_test: true,
+    },
+    edition: "2015",
+    features: [
+        "default",
+        "derive",
+        "rc",
+        "serde_derive",
+        "std",
+    ],
+    proc_macros: ["libserde_derive"],
+}
+
 rust_library_rlib {
     name: "libserde_nostd",
     crate_name: "serde",
@@ -91,26 +114,3 @@
     vendor_available: true,
     min_sdk_version: "29",
 }
-
-rust_test {
-    name: "serde_test_src_lib",
-    host_supported: true,
-    crate_name: "serde",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.0.158",
-    srcs: ["src/lib.rs"],
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2015",
-    features: [
-        "default",
-        "derive",
-        "rc",
-        "serde_derive",
-        "std",
-    ],
-    proc_macros: ["libserde_derive"],
-}