Update projname-normalization regex

As of I3e2b1b0bc5871e4ec4ffd8117906cd077aa2cb0d 98-source-repositories
updated the regex it uses to normalize the project names, as it turns
out there are more characters that need to be stripped out than just -
and .

This change updates toci_devtest.sh to match what
98-source-repositories does.

Change-Id: I1c4841610bbc8a5487beba47223efdf567f618f5
Merge "Update projname-normalization regex"