Add bindgen bindings test

Note that some of these are currently no-op tests that do nothing.
But this makes them future proof in case we add more later.

Test: atest
Change-Id: I22914e36568d5808ab60541354e5585a1aeebd44
diff --git a/keystore2/aaid/Android.bp b/keystore2/aaid/Android.bp
index c04ce51..3417960 100644
--- a/keystore2/aaid/Android.bp
+++ b/keystore2/aaid/Android.bp
@@ -57,3 +57,13 @@
         "libkeystore2_aaid",
     ],
 }
+
+rust_test {
+    name: "libkeystore2_aaid_bindgen_test",
+    srcs: [":libkeystore2_aaid_bindgen"],
+    crate_name: "keystore2_aaid_bindgen_test",
+    test_suites: ["general-tests"],
+    auto_gen_config: true,
+    clippy_lints: "none",
+    lints: "none",
+}