Migrate 20 crates to monorepo

oneshot-uniffi
minimal-lexical
num_enum
num_enum_derive
num-complex
num-derive
paste
pin-utils
predicates
protobuf-parse
protobuf-support
quote
remain
rustc-demangle-capi
rustix
shared_child
thiserror-impl
threadpool
tikv-jemalloc-sys
tonic

Bug: http://b/339424309
Test: treehugger
Change-Id: I784e783942ca436aab5b5ff1d3f2f93fb9252212
diff --git a/Android.bp b/Android.bp
index c87dfa5..96beb97 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,30 +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_threadpool_license"],
-}
-
-license {
-    name: "external_rust_crates_threadpool_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-Apache-2.0"],
-    license_text: ["LICENSE"],
-}
-
-rust_library {
-    name: "libthreadpool",
-    host_supported: true,
-    crate_name: "threadpool",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.8.1",
-    crate_root: "src/lib.rs",
-    edition: "2015",
-    rustlibs: ["libnum_cpus"],
-    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 cb908d7..0000000
--- a/cargo_embargo.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "run_cargo": false
-}