[trusty] Add trusty_vm helper script targets for reuse

Bug: 377520831
Test: atest vts_treble_vintf_trusted_hal_test
Change-Id: I0eeb434e77dbe3cdff5f1cbd43f14af5d1a6591f
diff --git a/guest/trusty/test_vm/Android.bp b/guest/trusty/test_vm/Android.bp
index 06b7d9d..676e231 100644
--- a/guest/trusty/test_vm/Android.bp
+++ b/guest/trusty/test_vm/Android.bp
@@ -34,6 +34,30 @@
     filename: "trusty-test_vm-config.json",
 }
 
+prebuilt_etc {
+    name: "trusty_vm_launcher_sh",
+    enabled: false,
+    arch: {
+        arm64: {
+            enabled: true,
+        },
+    },
+    src: "trusty-vm-launcher.sh",
+    filename: "trusty-vm-launcher.sh",
+}
+
+prebuilt_etc {
+    name: "trusty_wait_ready_sh",
+    enabled: false,
+    arch: {
+        arm64: {
+            enabled: true,
+        },
+    },
+    src: "trusty-wait-ready.sh",
+    filename: "trusty-wait-ready.sh",
+}
+
 sh_test {
     // VTS tests for all Trusted HALs defined
     // under hardware/interfaces/security/see