When '-s' is passed, any globbed arguments will have their results
sorted. When there are multiple arguments, the files will still be
inserted in argument order.
A bare '**' is now special cased to mean every file in the input zip.
This allows zip2zip to sort entire zip files efficiently by using
`zip2zip -s -i <> -o <> '**'`. This can be useful if your original zip
program used filesystem ordering which was not reproducible.
Test: m -j blueprint_tools (new tests pass)
Change-Id: Ic3512c5fe14c94c6f3e134296905121d2ff8b58a
