Run TestVsock with and without protected mode.

The protected version is only run if the kernel supports pKVM.

Bug: 181615964
Test: atest VirtualizationTestCases
Change-Id: I02fcead96b84b44f3138162a525f709c9f59ec73
diff --git a/tests/Android.bp b/tests/Android.bp
index be6e653..8cfefcc 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -29,6 +29,7 @@
         "vsock_test.cc",
     ],
     local_include_dirs: ["include"],
+    compile_multilib: "64",
     data: [
         ":virt_test_kernel",
         ":virt_test_initramfs",