Generate license header with cargo_embargo. am: 0fe9b86622

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/android_logger/+/3206575

Change-Id: I71d1e975fd486e9999f09f242d6cd6cf5f1f33a1
Signed-off-by: Automerger Merge Worker <[email protected]>