[Support] Extract simple suffix from GlobPattern (#162118)

Existing glob is optimized with prefix for "src:/dir1/dir2/*",
but I notices we often use patterns like "src:*dir1/dir2/file.h".

So suffix will help.

It will be hard to notice in most cases, but I use ignore list to bisect
some falures.
E.g. put 100k entries in the file, and build/test as needed.

On one of hard compilation units glob matching was 400s, after the
change 20s.

Still, there is higher level inefficiency in ignore list matching, which
I will
address in followup patches and remove 20s above.

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