FileUtils.rename(): better retry handling

FileUtils.rename(): better retry handling

When the atomic move fails on Windows, it may be because some other
thread is currently reading the destination. If we delete the file
then, that reader may get an exception, and conclude the file didn't
exist, even though the rename() would re-create it right away.

Try to avoid this from happening frequently by only deleting the
destination on the last retry. Also don't sleep after the last attempt.

Bug: 451508
Change-Id: I95bb4ec59d6e7efb4a7fc8d67f5df301f690257a
Signed-off-by: Thomas Wolf <twolf@apache.org>