Migrate bytemuck, with upgrade to v1.19.0

Previous attempt to migrate used v1.16.3, which has a failure in one of
the tests. I have verified, via `cargo test -F extern_crate_alloc` that
I can reproduce the failure, and that it doesn't happen with v1.19.0

Bug: http://b/339424309
Test: treehugger
Change-Id: I1f91a543a185aae3147ee49931ebf3798a0ed72c
diff --git a/Android.bp b/Android.bp
index 29867a9..96beb97 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,198 +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_bytemuck_license"],
-    default_team: "trendy_team_android_rust",
-}
-
-license {
-    name: "external_rust_crates_bytemuck_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-Apache-2.0"],
-    license_text: ["LICENSE"],
-}
-
-rust_test {
-    name: "bytemuck_test_tests_array_tests",
-    host_supported: true,
-    crate_name: "array_tests",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.14.1",
-    crate_root: "tests/array_tests.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    features: [
-        "bytemuck_derive",
-        "derive",
-        "extern_crate_alloc",
-        "extern_crate_std",
-    ],
-    rustlibs: ["libbytemuck"],
-    proc_macros: ["libbytemuck_derive"],
-}
-
-rust_test {
-    name: "bytemuck_test_tests_cast_slice_tests",
-    host_supported: true,
-    crate_name: "cast_slice_tests",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.14.1",
-    crate_root: "tests/cast_slice_tests.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    features: [
-        "bytemuck_derive",
-        "derive",
-        "extern_crate_alloc",
-        "extern_crate_std",
-    ],
-    rustlibs: ["libbytemuck"],
-    proc_macros: ["libbytemuck_derive"],
-}
-
-rust_test {
-    name: "bytemuck_test_tests_checked_tests",
-    host_supported: true,
-    crate_name: "checked_tests",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.14.1",
-    crate_root: "tests/checked_tests.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    features: [
-        "bytemuck_derive",
-        "derive",
-        "extern_crate_alloc",
-        "extern_crate_std",
-    ],
-    rustlibs: ["libbytemuck"],
-    proc_macros: ["libbytemuck_derive"],
-}
-
-rust_test {
-    name: "bytemuck_test_tests_doc_tests",
-    host_supported: true,
-    crate_name: "doc_tests",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.14.1",
-    crate_root: "tests/doc_tests.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    features: [
-        "bytemuck_derive",
-        "derive",
-        "extern_crate_alloc",
-        "extern_crate_std",
-    ],
-    rustlibs: ["libbytemuck"],
-    proc_macros: ["libbytemuck_derive"],
-}
-
-rust_test {
-    name: "bytemuck_test_tests_offset_of_tests",
-    host_supported: true,
-    crate_name: "offset_of_tests",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.14.1",
-    crate_root: "tests/offset_of_tests.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    features: [
-        "bytemuck_derive",
-        "derive",
-        "extern_crate_alloc",
-        "extern_crate_std",
-    ],
-    rustlibs: ["libbytemuck"],
-    proc_macros: ["libbytemuck_derive"],
-}
-
-rust_test {
-    name: "bytemuck_test_tests_std_tests",
-    host_supported: true,
-    crate_name: "std_tests",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.14.1",
-    crate_root: "tests/std_tests.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    features: [
-        "bytemuck_derive",
-        "derive",
-        "extern_crate_alloc",
-        "extern_crate_std",
-    ],
-    rustlibs: ["libbytemuck"],
-    proc_macros: ["libbytemuck_derive"],
-}
-
-rust_test {
-    name: "bytemuck_test_tests_transparent",
-    host_supported: true,
-    crate_name: "transparent",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.14.1",
-    crate_root: "tests/transparent.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    features: [
-        "bytemuck_derive",
-        "derive",
-        "extern_crate_alloc",
-        "extern_crate_std",
-    ],
-    rustlibs: ["libbytemuck"],
-    proc_macros: ["libbytemuck_derive"],
-}
-
-rust_library {
-    name: "libbytemuck",
-    host_supported: true,
-    crate_name: "bytemuck",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.14.1",
-    crate_root: "src/lib.rs",
-    edition: "2018",
-    features: [
-        "bytemuck_derive",
-        "derive",
-        "extern_crate_alloc",
-        "extern_crate_std",
-    ],
-    proc_macros: ["libbytemuck_derive"],
-    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 8dfbf3c..0000000
--- a/cargo_embargo.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "features": [
-    "derive",
-    "extern_crate_alloc",
-    "extern_crate_std"
-  ],
-  "tests": true
-}