Upgrade Linux to 4.19

Originally created by @intrigeri on #16073 (Redmine)

Feature Branch: feature/16073-linux-4.19+force-all-tests

Related issues

• Related to #16145 (closed)
• Blocks #16072 (closed)
• Blocks #16224 (closed)
• Blocks #14991 (closed)
• Blocks tails/accounting#15507
• Blocked by #16349 (closed)
• Blocks #16352 (closed)