Migrate 8 crates to monorepo

unicode-xid
uniffi_core
uniffi_macros
vhost
vhost-user-backend
vm-memory
vmm-sys-util
yaml-rust

Bug: http://b/339424309
Test: treehugger
Change-Id: I822a4b956184ca8e74ae4f261cc2ad9732d837dd
diff --git a/Android.bp b/Android.bp
index 7dfc5bd..96beb97 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,31 +1 @@
-// This file is generated by cargo_embargo.
-// Do not modify this file because the changes will be overridden on upgrade.
-
-package {
-    default_applicable_licenses: ["external_rust_crates_vhost-user-backend_license"],
-}
-
-license {
-    name: "external_rust_crates_vhost-user-backend_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-Apache-2.0"],
-    license_text: ["LICENSE"],
-}
-
-rust_library_host {
-    name: "libvhost_user_backend",
-    crate_name: "vhost_user_backend",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.10.1",
-    crate_root: "src/lib.rs",
-    edition: "2018",
-    rustlibs: [
-        "liblibc",
-        "liblog_rust",
-        "libvhost_android",
-        "libvirtio_bindings",
-        "libvirtio_queue",
-        "libvm_memory_android",
-        "libvmm_sys_util",
-    ],
-}
+// This crate has been migrated to external/rust/android-crates-io.
diff --git a/cargo_embargo.json b/cargo_embargo.json
deleted file mode 100644
index 2a9a0a7..0000000
--- a/cargo_embargo.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "module_name_overrides": {
-    "libvhost": "libvhost_android",
-    "libvm_memory": "libvm_memory_android"
-  },
-  "package": {
-    "vhost-user-backend": {
-      "device_supported": false
-    }
-  },
-  "run_cargo": false
-}