Generate sha1 and md5 sum file for wheels

The run-wheel.sh script echoed sha1 and md5 sums to the job console log
but did not write these hashes to files. Write these hashes to files
then cat them so that the hashes can be archived while still being
written to the console log.

Change-Id: If8d9eb8d730401938f8610bef355b5ca15723269
Merge "Generate sha1 and md5 sum file for wheels"