Merge "dist: copy dir allow dir to already exist & don't copy permissions" am: 6291358b17

Original change: https://android-review.googlesource.com/c/platform/build/bazel_common_rules/+/2068136

Change-Id: Iff87f2881d0274a6a963c3081451ba3b38c35310
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>