Update Android.bp by running cargo_embargo am: 76d6a78555

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/fastrand/+/3094773

Change-Id: I3b5cfeb507dc247a68643cae4eb95503b2e69734
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Android.bp b/Android.bp
index f4eeaec..11c358a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -45,7 +45,7 @@
     crate_name: "fastrand",
     cargo_env_compat: true,
     cargo_pkg_version: "1.9.0",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2018",
     apex_available: [
         "//apex_available:anyapex",