Bug 1045345 - What's new screen is not localized
Bug 1037500 - Adding perf helper to clock app to fix performance tests
Bug 1041967 - [Messages] do some safe lazy load to improve launch latency. r=julienw
Bug 1020779 - Adjust the key alignment for the bottom row of keyboard.
 - Also modify the tests for correct promise pattern
Merge pull request #22204 from RudyLu/keyboard/Bug1020779-bottom_keys_alignment

Bug 1020779 - Adjust the key alignment for the bottom row of keyboard.
r=timdream.
Revert "Merge pull request #22204 from RudyLu/keyboard/Bug1020779-bottom_keys_alignment"

This reverts commit 1dd9769ebfc90ce02dca843dedd3e8a173a0454c, reversing
changes made to cc5af5e8130ad81fda59b49d8213fbd67e1a0ddd.
Merge pull request #22177 from steveck-chung/message-safe-lazyloader

Bug 1041967 - [Messages] do some safe lazy load to improve launch latency. r=julienw
Merge pull request #22232 from TheoChevalier/whatsnew-l10n

Bug 1045345 - What's new screen is not localized. r=fcampo
Merge pull request #22280 from eliperelman/bug-1037500-add-helper-for-clock-tests

Bug 1037500 - Adding perf helper to clock app to fix performance tests. r=mcav
Bug 1045590- EventDispatcher.offAll can remove all handlers at once r=azasypkin