Migrate 8 crates to monorepo

quiche
virtio-drivers
aarch64-paging
libm
miette-derive
tokio
grpcio
serde-xml-rs

Bug: http://b/339424309
Test: treehugger
Change-Id: I64bee34b4efa8f4b11cbf592c2fd1fdd84715289
diff --git a/Android.bp b/Android.bp
index 2e75afd..96beb97 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,56 +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_virtio-drivers_license"],
-    default_team: "trendy_team_android_rust",
-}
-
-license {
-    name: "external_rust_crates_virtio-drivers_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-MIT"],
-    license_text: ["LICENSE"],
-}
-
-rust_library_rlib {
-    name: "libvirtio_drivers",
-    crate_name: "virtio_drivers",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.7.4",
-    crate_root: "src/lib.rs",
-    edition: "2018",
-    features: ["alloc"],
-    rustlibs: [
-        "libbitflags",
-        "liblog_rust_nostd",
-        "libzerocopy_nostd",
-    ],
-    apex_available: [
-        "//apex_available:platform",
-        "//apex_available:anyapex",
-    ],
-    prefer_rlib: true,
-    no_stdlibs: true,
-    stdlibs: [
-        "libcompiler_builtins.rust_sysroot",
-        "libcore.rust_sysroot",
-    ],
-}
-
-rust_test {
-    name: "virtio-drivers_test_src_lib",
-    crate_name: "virtio_drivers",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.7.4",
-    crate_root: "src/lib.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    edition: "2018",
-    features: ["alloc"],
-    rustlibs: [
-        "libbitflags",
-        "liblog_rust",
-        "libzerocopy_nostd",
-    ],
-}
+// 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 34ba893..0000000
--- a/cargo_embargo.json
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-  "features": [
-    "alloc"
-  ],
-  "package": {
-    "virtio-drivers": {
-      "force_rlib": true,
-      "host_supported": false,
-      "no_std": true,
-      "patch": "patches/Android.bp.patch",
-      "rulesmk_patch": "patches/rules.mk.diff"
-    }
-  },
-  "product_available": false,
-  "run_cargo": false,
-  "tests": true,
-  "vendor_available": false,
-  "variants": [
-    {},
-    {
-      "generate_androidbp": false,
-      "generate_rulesmk": true,
-      "tests": false
-    }
-  ]
-}