Fix cargo_pkg_version.

Test: cargo2android
Change-Id: Ibe5772232841aeb077e0c54c9c01bf44e4411abc
diff --git a/Android.bp b/Android.bp
index 9f7bd3b..fa7c77b 100644
--- a/Android.bp
+++ b/Android.bp
@@ -44,7 +44,7 @@
     host_supported: true,
     crate_name: "remove_dir_all",
     cargo_env_compat: true,
-    cargo_pkg_version: "0.7.1-alpha.0",
+    cargo_pkg_version: "0.7.1",
     srcs: ["src/lib.rs"],
     edition: "2018",
     rustlibs: [