Migrate to cargo_embargo. am: c952b7aca2 am: d318d783fc

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/thread_local/+/2828131

Change-Id: Iaffb8d04d7bc9aaa4d98920df81c7e192dc319b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>