Convert make_data_assembly.py to python3

- treat what read() of a binary file returns as bytes
- add parenthesis to print

Change-Id: Ic42c88a3f1b48ac396b9ca1d31aeed6e5081c77c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/deps/icu/+/2842863
Reviewed-by: Dirk Pranke <dpranke@google.com>
Reviewed-by: Jungshik Shin <jshin@chromium.org>
1 file changed