trusty: Add corpus for gatekeeper fuzzer

Test: /data/fuzz/arm64/trusty_gatekeeper_fuzzer/trusty_gatekeeper_fuzzer
Change-Id: I30bb2844972df952d853f0809e2eb8d5b5a1dd9c

trusty/gatekeeper/fuzz/Android.bp

@@ -16,4 +16,9 @@ cc_fuzz {
     name: "trusty_gatekeeper_fuzzer",
     defaults: ["trusty_fuzzer_defaults"],
     srcs: ["fuzz.cpp"],
+
+    // The initial corpus for this fuzzer was derived by dumping messages from
+    // the `secure_env` emulator interface for cuttlefish while enrolling a new
+    // password in the emulator.
+    corpus: ["corpus/*"],
 }