Migrate to cargo_embargo. am: 48821f9be5 am: 0b060bfff7 am: e0074dfad7

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/configparser/+/2822515

Change-Id: Iddd6b11de49c4f2c34cc54a6596355c645c12570
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>