Merge "Migrate to cargo_embargo." into main am: a28a75e883 am: 5fe1b35497 am: 4d0bc4f583

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/bitflags/+/2822237

Change-Id: I7ca6ff8eb468c6c343d574826f0bcf8dc565b75e
Signed-off-by: Automerger Merge Worker <[email protected]>