Merge "Migrate to use new signature-to-dex --out option" into main

# Convert each removed.txt to the "dex format" equivalent, and print all output.

for f in "$@"; do

    "$metalava_path" signature-to-dex "$f" "${tmp_dir}/tmp"

    "$metalava_path" signature-to-dex "$f" --out "${tmp_dir}/tmp"

    cat "${tmp_dir}/tmp"

done