Change ClearDataDirPathCache() to ArgsManager.ClearPathCache().
Summary:
This concludes backport of core#21244 [8/8]
https://github.com/bitcoin/bitcoin/pull/21244/commits/bb8d1c6e029a2fd01387599d2ff3bfc879a8ada5
Depends on D10756
Test Plan: ninja all check-all
Reviewers: #bitcoin_abc, Fabien
Reviewed By: #bitcoin_abc, Fabien
Differential Revision: https://reviews.bitcoinabc.org/D10757