[vm tool] Introduce check-feature-enabled

Introduce this command to allow host to query feature (such as
com.android.kvm.LLPVM_CHANGES) is enabled on device. Implement this in
libavf_features, so that virtmrg can share code.

Bug: 325630143
Test: Inspect output of vm check-feature-enabled
com.android.kvm.LLPVM_CHANGES

Change-Id: I9f11f6d8a98e1df6926492edee2152908c770e73
diff --git a/virtualizationmanager/Android.bp b/virtualizationmanager/Android.bp
index 48b5cd1..3320c80 100644
--- a/virtualizationmanager/Android.bp
+++ b/virtualizationmanager/Android.bp
@@ -32,6 +32,7 @@
         "libandroid_logger",
         "libanyhow",
         "libapkverify",
+        "libavf_features",
         "libavflog",
         "libbase_rust",
         "libbinder_rs",