Move preload test to libhidl_test.

Since hidl_test is completely static now, moving
the DISABLED preload test so that we can actually
test the API here.

Test: libhidl_test
Change-Id: I1e34ddc959d761130cf5b2c0a30fa2e1ec675d99
diff --git a/Android.bp b/Android.bp
index e97c28c..f9b1e96 100644
--- a/Android.bp
+++ b/Android.bp
@@ -35,6 +35,7 @@
     srcs: ["test_main.cpp"],
 
     shared_libs: [
+        "android.hardware.tests.inheritance@1.0",
         "libbase",
         "libhidlbase",
         "libhidltransport",
@@ -45,6 +46,10 @@
     ],
     static_libs: ["libgtest", "libgmock"],
 
+    required: [
+        "android.hardware.tests.inheritance@1.0-impl",
+    ],
+
     cflags: [
         "-O0",
         "-g",