tor-keymgr: Address various keymgr tech debt items
This MR contains an assortment of keymgr API changes.
This fixes #1063 (closed), #1070 (closed), and !1677 (comment 2955700)
This MR contains an assortment of keymgr API changes.
This fixes #1063 (closed), #1070 (closed), and !1677 (comment 2955700)