Migrate to cargo_embargo. am: 3530b1801c am: 90818c117d am: 78011f035c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/thiserror/+/2834455

Change-Id: I8807edb8aa4b8910c6ca576a2346b736ef2df11e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>