Order imports in alphabetical order (6/9)

This patch is one in a series to re-enable H306 style check rule
(imports are in alphabetical order). It touches engine resources files.

Implements: blueprint reduce-flake8-ignored-rules (partial)
Change-Id: I7ab23e1df0c5c0ceba4bb6e4f3d6558e06bee2dd
Merge "Order imports in alphabetical order (6/9)"