Add in app message for autocomplete

[CrisBarreiro]

Task/Issue URL: https://app.asana.com/0/0/1206816228247403/f

Description

Display an in-app message (above auto-complete results. See https://app.asana.com/0/0/1206816228247403/f for rules

Steps to test this PR

Update RC and set storeHistory to enabled. Alternatively, update shouldStoreHistory in RealHistoryWrapper so it returns true

Banner is not shown for new users

• Do a clean install
• Perform a search or visit a site
• Repeat the same query again
• Check history-based results are shown but no in-app message appears
• Complete the onboarding
• Repeat the same query again
• Check history-based results are shown but no in-app message appears

Banner is shown for existing users

• Update from a previous version of the app with completed onboarding, or update isExistingUser in AutoCompleteso it returns true and do a clean install
• Perform a search or visit a site
• Repeat the same query again
• Check history-based results are shown but and an in-app message appears

Banner isn't shown after being dismissed

• Update isExistingUser in AutoCompleteso it returns true and do a clean install
• Perform a search or visit a site
• Repeat the same query again
• Check history-based results are shown but and an in-app message appears
• Close the banner
• Repeat the same query again
• Check history-based results are shown but no in-app message appears

Banner is not shown when there are no history based-results results

• Update isExistingUser in AutoCompleteso it returns true and do a clean install
• Visit wikipedia.org and add it to favorites
• Use fire button
• Type wikipedia
• Check no history-based results nor the banner are shown

Banner isn't shown more than 3 times
Update isExistingUser in AutoCompleteso it returns true and do a clean install

• Perform a search or visit a site
• Repeat the same query again
• Check history-based results are shown but and an in-app message appears
• Repeat previous 3 steps 4 times. Check the fourth time, the banner isn't shown anymore

UI changes

[CrisBarreiro]

• Address ship review issues #4593
• Design improvements #4574
• Pixel improvements #4559
• Add in app message for autocomplete #4545 👈
• Add RC flag for storing history #4495
• Schedule deletion of items older than 30 days #4451
• Clear history entries from memory and database when clicking fire button #4450
• Add auto-complete support #4332 : 3 other dependent PRs (#4341 , #4572 , #4599 )
• develop

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[cmonfortep]

lgtm

[cmonfortep]

Best to indicate a dispatcher here when changing to another thread, otherwise will be default.