MOBILE-3812 loading: Add placeholder types for loading #2519

Job	Run time
build	3m 33s
behat (@core_search)	2m 56s
behat (@addon_mod_scorm)	10m 53s
behat (@core_lang)	3m 16s
behat (@addon_mod_book)	5m 52s
behat (@core_comments)	7m 21s
behat (@addon_mod_lesson)	6m 3s
behat (@core_policy)	4m 36s
behat (@addon_block_timeline)	3m 49s
behat (@core_navigation)	7m 24s
behat (@core_behat)	2m 57s
behat (@core_course)	9m 35s
behat (@core_courses)	5m 3s
behat (@addon_mod_page)	3m 8s
behat (@core_dataprivacy)	4m 40s
behat (@addon_mod_quiz)	12m 44s
behat (@core_reminders)	4m 28s
behat (@addon_calendar)	3m 38s
behat (@addon_coursecompletion)	3m 34s
behat (@addon_mod_forum)	16m 27s
behat (@addon_blog)	4m 37s
behat (@addon_mod_bigbluebuttonbn)	8m 26s
behat (@core_usertours)	3m 30s
behat (@addon_mod_url)	2m 59s
behat (@addon_mod_choice)	5m 20s
behat (@addon_mod_data)	8m 33s
behat (@addon_mod_imscp)	3m 7s
behat (@core_tag)	3m 22s
behat (@addon_notifications)	3m 35s
behat (@addon_mod_survey)	3m 0s
behat (@core_fontawesome)	2m 58s
behat (@addon_mod_workshop)	4m 36s
behat (@core_siteplugins)	3m 50s
behat (@addon_mod_folder)	3m 10s
behat (@addon_mod_chat)	3m 3s
behat (@core_settings)	5m 26s
behat (@core_login)	10m 31s
behat (@addon_messages)	11m 21s
behat (@core_filesystem)	4m 21s
behat (@addon_mod_assign)	10m 7s
behat (@addon_competency)	6m 2s
behat (@core_mainmenu)	3m 40s
behat (@core_reportbuilder)	3m 26s
behat (@addon_mod_feedback)	4m 42s
behat (@addon_mod_glossary)	10m 28s
behat (@core_user)	4m 31s
behat (@core_grades)	5m 28s
complete	5s
	4h 26m 11s

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