ENH Add GDS header to rapidsai devel images

[mike-wendt]

Used for testing and builds for GDS support that is coming with rapidsai/cudf#7444

• Upload GDS header files to S3
• Update gpuCI job to sync from S3 where the GDS files are stored so this COPY command can work
• Test the changes work and are located in the proper location according to these docs

[mike-wendt]

rerun tests

[mike-wendt]

Spot checked a few test images:

❯ docker run --rm -it gpucitesting/rapidsai-pr166:0.19-cuda10.2-devel-ubuntu16.04-py3.8
(rapids) root@e5e4bc044604:/# ls -la /usr/local/cuda/targets/x86_64-linux/lib/*cufile*
-rw-rw-r-- 1 root root 19734 Mar 16 04:06 /usr/local/cuda/targets/x86_64-linux/lib/cufile.h

❯ docker run --rm -it gpucitesting/rapidsai-pr166:0.19-cuda10.1-devel-centos7-py3.8
(rapids) [root@50fb206e9cf1 /]# ls -la /usr/local/cuda/targets/x86_64-linux/lib/*cufile*
-rw-rw-r-- 1 root root 19734 Mar 16 04:11 /usr/local/cuda/targets/x86_64-linux/lib/cufile.h

[mike-wendt]

From successful testing, merging to make this available