Move Trusty VM kernel target from cf repo to virt

This allows us to integrate the arm64 version to the target
easily.

Test: launch_cvd --secure_hals=guest_keymint_trusty_insecure
Test: atest VtsAidlSharedSecretTargetTest
Bug: 355389155
Change-Id: Ia5e536d32272088f8cee67e1434e6723f483dd29
diff --git a/guest/trusty/security_vm/launcher/Android.bp b/guest/trusty/security_vm/launcher/Android.bp
index ff628fd..d583373 100644
--- a/guest/trusty/security_vm/launcher/Android.bp
+++ b/guest/trusty/security_vm/launcher/Android.bp
@@ -18,3 +18,16 @@
         false: false,
     }),
 }
+
+prebuilt_etc {
+    name: "lk_trusty.elf",
+    system_ext_specific: true,
+    relative_install_path: "vm/trusty_vm",
+    filename: "lk_trusty.elf",
+    arch: {
+        x86_64: {
+            src: ":trusty-test-lk.elf",
+        },
+    },
+    src: ":empty_file",
+}