Add bindgen bindings test

Test: atest
Change-Id: I1a7685f1c8ab02dbae8ba89808c2f6f66789a52c
diff --git a/authfs/Android.bp b/authfs/Android.bp
index 174914f..a6792b0 100644
--- a/authfs/Android.bp
+++ b/authfs/Android.bp
@@ -79,3 +79,13 @@
         "testdata/input.4m.merkle_dump.bad",
     ],
 }
+
+rust_test {
+    name: "libauthfs_crypto_bindgen_test",
+    srcs: [":libauthfs_crypto_bindgen"],
+    crate_name: "authfs_crypto_bindgen_test",
+    test_suites: ["general-tests"],
+    auto_gen_config: true,
+    clippy_lints: "none",
+    lints: "none",
+}