cros_workon_make: move to src/scripts

To help consolidate, move this script to src/scripts/.  We're
largely turning down this directory, and this script is better
there with the other remaining build shell scripts.

BUG=None
TEST=None

Change-Id: I354067797aadf9599fd205d0f6ee0ebac70441d2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2575623
Reviewed-by: Alex Klein <[email protected]>
Commit-Queue: Mike Frysinger <[email protected]>
Tested-by: Mike Frysinger <[email protected]>
1 file changed