* Resolve conflicts
* add end_of_slot_filtered_invalid_count
* Increment end_of_slot_filtered_invalid_count
* Fixup comment
* Remove comment
* Move all process_tx metris into common function
* Switch to saturating_add_assign macro
* Refactor timings so each struct reports own timing
* Move into accumulate
* Remove unnecessary struct
Co-authored-by: Carl Lin <carl@solana.com>