Mark test as unit_tests am: 06b410221f am: abc6378c06

Original change: https://android-review.googlesource.com/c/platform/system/tools/sysprop/+/1526878

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I449d31299e499670193198a08924e27ca0d60198
diff --git a/Android.bp b/Android.bp
index 649276e..2791f8d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -64,6 +64,9 @@
            "TypeChecker.cpp",
            "tests/*.cpp"],
     whole_static_libs: ["com.android.sysprop.tests"],
+    test_options: {
+        unit_test: true,
+    },
     test_suites: ["general-tests"],
 }