Migrate 25 crates to monorepo

itoa
percent-encoding
untrusted
arbitrary
nix
arc-swap
arrayvec
axum-core
bindgen-cli
cov-mark
equivalent
fixedbitset
foreign-types
foreign-types-shared
fxhash
http
hyper
kernlog
lazycell
libtest-mimic
libz-sys
merge
merge_derive
mls-rs
mls-rs-crypto-traits

Bug: http://b/339424309
Test: treehugger
Change-Id: I021a5962115dbe15e6604105db8c449e6c586d9c
diff --git a/Android.bp b/Android.bp
index 437a862..96beb97 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,60 +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_mls-rs_license"],
-}
-
-license {
-    name: "external_rust_crates_mls-rs_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-Apache-2.0"],
-    license_text: ["LICENSE"],
-}
-
-rust_library {
-    name: "libmls_rs",
-    host_supported: true,
-    crate_name: "mls_rs",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.39.1",
-    crate_root: "src/lib.rs",
-    edition: "2021",
-    features: [
-        "by_ref_proposal",
-        "custom_proposal",
-        "fast_serialize",
-        "out_of_order",
-        "prior_epoch",
-        "private_message",
-        "psk",
-        "rayon",
-        "state_update",
-        "std",
-        "tree_index",
-    ],
-    cfgs: ["mls_build_async"],
-    rustlibs: [
-        "libcfg_if",
-        "libdebug_tree",
-        "libfutures",
-        "libhex",
-        "libitertools",
-        "libmls_rs_codec",
-        "libmls_rs_core",
-        "librayon",
-        "libspin",
-        "libthiserror",
-        "libzeroize",
-    ],
-    proc_macros: [
-        "libasync_trait",
-        "libmaybe_async",
-    ],
-    apex_available: [
-        "//apex_available:platform",
-        "//apex_available:anyapex",
-    ],
-    product_available: true,
-    vendor_available: true,
-}
+// 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 90952f3..0000000
--- a/cargo_embargo.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-    "extra_cfg": ["mls_build_async"],
-    "features": [
-        "std",
-        "rayon",
-        "state_update",
-        "private_message",
-        "custom_proposal",
-        "out_of_order",
-        "psk",
-        "prior_epoch",
-        "by_ref_proposal",
-        "tree_index",
-        "fast_serialize"
-    ]
-}