log: Create liblog_rust_nostd bare-metal target am: ffad887b3a am: 7d89f5f0af am: 748a6815a8 am: bc514d55cc

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/log/+/2146039

Change-Id: Ifc269ad98cd58acacc16de6308ba42f4ae41b249
Signed-off-by: Automerger Merge Worker <[email protected]>