[roll pigweed] pw_tokenizer: Only update directory database CSVs from previous commit

- Change the ordering of retrieving CSVs.
- Use HEAD~ to find a CSV and check the CSV found is not in the
  provided commit.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/107345

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: fc5105ad72fd6bc..a62254c1ddf92f0
Roller-URL: https://ci.chromium.org/b/8805453377836168561
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Change-Id: I19f2c14b7dee3dfc28d83bd5b3332fc0eba74b60
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/107398
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1 file changed
tree: f15fcf661b913425f00b220d117aa93ecfddd17f
  1. .gitmodules
  2. test.sh