Migrate to cargo_embargo. am: 1c0d938b85 am: c117e010d3 am: 26efee942b

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/android_log-sys/+/2796541

Change-Id: I7254e13c7a75c67e9134cab1d2e617e8926138e3
Signed-off-by: Automerger Merge Worker <[email protected]>