Revert "Fix SHOW_IMPLICIT and SHOW_EXPLICIT handling"

Revert submission 23844944-ime_implicit_explicit_fix

Reason for revert: b/290956485

Reverted changes: /q/submissionid:23844944-ime_implicit_explicit_fix

Change-Id: Id013c9eaf09fab61646ff6a2cdc759b041e21c28
21 files changed