Bug 1021500 - Keep layouts consistent

- Remove '_' from the second row for input "email"
- Remove ':' from the second row for input "url"
Merge pull request #20708 from mcav/clock-perf-5

Bug 1015386 - [Clock] Implement new startup loading events. r=hub
Merge pull request #20626 from guilherme-pg/bug1025193-accept

Bug 1025193 - Send a list of accepted commands when registering for Find...
Merge pull request #20385 from guilherme-pg/bug1022992-settings-panel

Bug 1022992 - Always display Find My Device's enabled status in the Settings menu.
Bug 1028087 - [Collection] Population task for app install/uninstall r=kgrandon
Support for handleScreenLayoutChange unit testing
Bug 1027717 - Use package manager in calendar
Bug 1023419 - Unify strings in Firefox Accounts and Find my device. r=ggp
Merge pull request #20707 from guilherme-pg/bug1023419-unify-sign-up-text

Bug 1023419 - Unify strings in Firefox Accounts and Find my device. r=gg...
Merge pull request #20670 from flodolo/bug983547

Bug 983547 - [system] Localize "System update" correctly in update notice after switching language. r=etienne
Merge pull request #20808 from KevinGrandon/bug_1028087_collection_population_from_apps

Bug 1028087 - [Collection] Population task for app install/uninstall
Bug 1028311 - Update initial structure for pinned results in collections r=lightsofapollo
Merge pull request #20815 from KevinGrandon/bug_1028311_collection_update_init_pinned_structure

Bug 1028311 - Update initial structure for pinned results in collections
Bug 1027005 - [Collection] Population task for new collections r=daleharvey
Bug 1028351 - [Vertical] Vertical App name should be localized r=tchevalier r=lightsofapollo
Merge pull request #20819 from KevinGrandon/bug_1028351_vertical_manifest_localization

Bug 1028351 - [Vertical] Vertical App name should be localized
Merge pull request #20805 from KevinGrandon/bug_1027005_collection_triggers

Bug 1027005 - [Collection] Population task for new collections
Bug 1007709 - [Dialer][Call Screen] Create fluid size for contact name in the upper information panel
Bug 971618 - Add support for OMA DRM direct downloads
Merge pull request #20816 from gaye/bug-1027717-volo

Bug 1027717 - Use package manager in calendar r=millermedeiros