Migrate 3 crates to monorepo.

These are crates with multiple versions. Only the alternate (deprecated) versions are migrated here.

bitflags 1.3.2
clap 3.2.23
jni 0.20.0

Bug: http://b/339424309
Test: treehugger
Change-Id: I55e341ca212dee4f4caa7952fdd1dd1bcff76f8f
diff --git a/3.2.23/Android.bp b/3.2.23/Android.bp
index dfbf13c..5a11914 100644
--- a/3.2.23/Android.bp
+++ b/3.2.23/Android.bp
@@ -1,37 +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_clap-3.2.23_license"],
-    default_team: "trendy_team_android_rust",
-}
-
-license {
-    name: "external_rust_crates_clap-3.2.23_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-Apache-2.0"],
-    license_text: ["LICENSE"],
-}
-
-rust_library {
-    name: "libclap_3.2.23",
-    host_supported: true,
-    crate_name: "clap",
-    cargo_env_compat: true,
-    cargo_pkg_version: "3.2.23",
-    crate_root: "src/lib.rs",
-    edition: "2021",
-    features: ["std"],
-    rustlibs: [
-        "libbitflags-1.3.2",
-        "libclap_lex",
-        "libindexmap",
-        "libtextwrap",
-    ],
-    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/extra_versions.
diff --git a/3.2.23/cargo_embargo.json b/3.2.23/cargo_embargo.json
deleted file mode 100644
index 6111d0a..0000000
--- a/3.2.23/cargo_embargo.json
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-  "features": [
-    "std"
-  ],
-  "module_blocklist": [
-    "stdio_fixture"
-  ],
-  "module_name_overrides": {
-    "libbitflags": "libbitflags-1.3.2",
-    "libclap": "libclap_3.2.23",
-    "external_rust_crates_clap_license": "external_rust_crates_clap-3.2.23_license"
-  },
-  "run_cargo": false
-}