Enable tests

This CL enables the tests of the crate. The Android.bp is generated by
`cargo2android.py --config cargo2android.json`.

Bug: 254153648
Test: mmm external/rust/crates/zeroize
Merged-In: I5b72ed47c0cc2545b0cf25009671a145f2e2c7d2
Change-Id: I9a933f284773b0242f1d0f10d36b64416bb4f01a
(cherry picked from commit I9a933f284773b0242f1d0f10d36b64416bb4f01a)

Android.bp

diff --git a/Android.bp b/Android.bp
index 0d41597..c0c8306 100644
--- a/Android.bp
+++ b/Android.bp
@@ -52,3 +52,41 @@
     vendor_available: true,
     min_sdk_version: "Tiramisu",
 }
+
+rust_defaults {
+    name: "zeroize_test_defaults",
+    crate_name: "zeroize",
+    cargo_env_compat: true,
+    cargo_pkg_version: "1.5.7",
+    test_suites: ["general-tests"],
+    auto_gen_config: true,
+    edition: "2018",
+    features: [
+        "alloc",
+        "zeroize_derive",
+    ],
+    rustlibs: [
+        "libzeroize",
+    ],
+    proc_macros: ["libzeroize_derive"],
+}
+
+rust_test {
+    name: "zeroize_test_tests_zeroize",
+    defaults: ["zeroize_test_defaults"],
+    host_supported: true,
+    srcs: ["tests/zeroize.rs"],
+    test_options: {
+        unit_test: true,
+    },
+}
+
+rust_test {
+    name: "zeroize_test_tests_zeroize_derive",
+    defaults: ["zeroize_test_defaults"],
+    host_supported: true,
+    srcs: ["tests/zeroize_derive.rs"],
+    test_options: {
+        unit_test: true,
+    },
+}

cargo2android.json

diff --git a/cargo2android.json b/cargo2android.json
index b95fbe7..29e5445 100644
--- a/cargo2android.json
+++ b/cargo2android.json
@@ -8,5 +8,6 @@
   "run": true,
   "min_sdk_version": "Tiramisu",
   "vendor-available": true,
+  "tests": true,
   "features": "alloc,zeroize_derive"
 }