Use generated wrappers for system properties.

Bug: 216639283
Test: Set properties manually and then `atest VirtualizationTestCases`.
Change-Id: I22498d8a9783bac3004900df398a899697bb8672
diff --git a/tests/Android.bp b/tests/Android.bp
index 8cfefcc..0b3a821 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -38,6 +38,7 @@
         // The existence of the library in the system partition is not guaranteed.
         // Let's have our own copy of it.
         "android.system.virtualizationservice-cpp",
+        "PlatformProperties",
     ],
     shared_libs: [
         "libbase",