Add vm subcommand to check support for protected and unprotected VMs.

Test: adb shell /apex/com.android.virt/bin/vm info
Change-Id: I9ed881a82818edacb81446b7684e90ae684bf1e8
diff --git a/vm/Android.bp b/vm/Android.bp
index 2d22562..d1d53d0 100644
--- a/vm/Android.bp
+++ b/vm/Android.bp
@@ -15,6 +15,7 @@
         "liblibc",
         "liblog_rust",
         "libmicrodroid_payload_config",
+        "librustutils",
         "libserde_json",
         "libserde",
         "libstructopt",