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: I7af1e20f76e192674a17df3afc75da19d24af7f9
diff --git a/Android.bp b/Android.bp
index e25432b..96beb97 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,82 +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_arrayvec_license"],
-}
-
-license {
-    name: "external_rust_crates_arrayvec_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-Apache-2.0"],
-    license_text: ["LICENSE"],
-}
-
-rust_test {
-    name: "arrayvec_test_src_lib",
-    host_supported: true,
-    crate_name: "arrayvec",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.7.4",
-    crate_root: "src/lib.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    features: [
-        "default",
-        "std",
-    ],
-    rustlibs: [
-        "libbencher",
-        "libmatches",
-        "libserde_test",
-    ],
-}
-
-rust_test {
-    name: "arrayvec_test_tests_tests",
-    host_supported: true,
-    crate_name: "tests",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.7.4",
-    crate_root: "tests/tests.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    features: [
-        "default",
-        "std",
-    ],
-    rustlibs: [
-        "libarrayvec",
-        "libbencher",
-        "libmatches",
-        "libserde_test",
-    ],
-}
-
-rust_library {
-    name: "libarrayvec",
-    host_supported: true,
-    crate_name: "arrayvec",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.7.4",
-    crate_root: "src/lib.rs",
-    edition: "2018",
-    features: [
-        "default",
-        "std",
-    ],
-    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 9a0a579..0000000
--- a/cargo_embargo.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "tests": true
-}