Cleanup license metadata in external/rust/crates/android_log-sys. am: 2995e8e3b7

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/android_log-sys/+/3196098

Change-Id: Ib555c140e6a4632ba1a566a1767d87131b352378
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>