Revert "[DO NOT MERGE] wifi: remove certificates for network factory reset"

This reverts commit 27f2e1542358c642c0160a8dbca1c4a8e142b7d9.

Reason for revert: functional regression

Change-Id: I77c2875f7ab8bd77bbe01410abb6d3558c0479ae
(cherry picked from commit e7a384b2f89a4502ae288ffa4c0b5642c9acf935)
Merged-In: I77c2875f7ab8bd77bbe01410abb6d3558c0479ae
9 files changed