Refresh Android.bp, cargo2android.json, TEST_MAPPING.

Test: None
Change-Id: I402a45aecb45789cb899a28b612af97c1ab3103f
diff --git a/Android.bp b/Android.bp
index 3022ab7..b2544e0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -22,6 +22,8 @@
     name: "libvsock",
     host_supported: true,
     crate_name: "vsock",
+    cargo_env_compat: true,
+    cargo_pkg_version: "0.2.4",
     srcs: ["src/lib.rs"],
     edition: "2018",
     rustlibs: [
@@ -33,9 +35,3 @@
         "com.android.virt",
     ],
 }
-
-// dependent_library ["feature_list"]
-//   bitflags-1.2.1 "default"
-//   cfg-if-1.0.0
-//   libc-0.2.98 "default,extra_traits,std"
-//   nix-0.19.1