Update Android.bp by running cargo_embargo

Test: ran cargo_embargo
Change-Id: I74c37f0e49f1fe0cd13e62e96471cd6407003438
diff --git a/Android.bp b/Android.bp
index c88adb0..044837a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -42,7 +42,7 @@
     crate_name: "libfuzzer_sys",
     cargo_env_compat: true,
     cargo_pkg_version: "0.4.7",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2018",
     features: ["arbitrary-derive"],
     rustlibs: [