Add llvm-objcopy to android_sdk_repo_host's implicit tools am: df34caf8 am:...

Add llvm-objcopy to android_sdk_repo_host's implicit tools am: df34caf8 am: ae4898e3 am: 1835b364

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2860767



Change-Id: Ia53fd431fddd7524fd3177f9a26631d8d4c64f95
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>