Adding search related attributed metrics

[cmonfortep]

Task/Issue URL: https://app.asana.com/1/137249556945/project/488551667048375/task/1211382557175158?focus=true

and: https://app.asana.com/1/137249556945/project/488551667048375/task/1211382557175159?focus=true

Description

Introduces 2 attributed metrics and their initial implementation.

Steps to test this PR

While testing this PR you need to add the following in your logcat filter:
tag~:"AttributedMetrics"

Note: Test cases should be executed in order

Not enough data

• We need fresh install (including removing DDG folder in file system)
• Open the app
• wait until "skip onboarding" appears
• After downloading privacy config and atb init, you should see Client status running: true -> isActive: true, isEnabled: true
• Skip onboarding, and go to the browser
• Go to settings -> Attributed Metrics Dev Settings
• Update app retention atb with v502-1 (and click save)
• Update search atb with v502-1 (and click save)
• Update installation date with 10-8d ago (and click save)
• Go back to the browser
• Perform a search
• No pixels are emitted, SearchCount7d: Skip emitting, atb not changed

Sending data

• Go to settings -> Attributed Metrics Dev Settings
• Click on "Add Search Events"
• Update app retention atb with v502-1 (and click save)
• Update search atb with v502-1 (and click save)
• Go back to the browser
• Perform a NEW search
• Ensure you see Fired pixel user_average_searches_past_week_first_month with params {count=0} (Note: 0 is the bucket, not value. Notice first_month in pixel name)
• Close the app, open it again (or fire button)
• Ensure you see Fired pixel user_active_past_week with params {days=2}(note: 2 is the bucket, not the value)

Trigger only if search atb refreshes

• Perform a new search
• No pixels are emitted, SearchCount7d: Skip emitting, atb not changed
• You should see 2 collected events (both ddg_search_days and ddg_search)

Trigger only if app retention atb refreshes

• Close app, open it again (or fire button)
• No pixel emitted, SearchDays: Skip emitting atb not changed)

installation >1mo ago

• Go to settings -> Attributed Metrics Dev Settings
• Update app retention atb with v402-1 (and click save)
• Update search atb with v402-1 (and click save)
• Update installation date with some day in August (and click save)
• Perform a new search
• Ensure you see Fired pixel user_average_searches_past_week with params {count=0} (Note: 0 is the bucket, not value. Notice this is not first_month)
• Close app, open it again (or fire button)
• Ensure you see Fired pixel user_active_past_week with params {days=2}(note: 2 is the bucket, not the value)

Client not active

• Clear storage
• Open the app
• After downloading privacy config and atb init, you should see Client status running: false -> isActive: false, isEnabled: true
• Skip onboarding, and go to the browser
• Perform a search
• Ensure nothing collected Discard collect event....client not active

UI changes

Before	After
!(Upload before screenshot)	(Upload after screenshot)

[cmonfortep]

• Support privacy specs on attributed metrics #7053
• Sync devices attributed metric #7030
• Subscription status attributed metric implementation #7029
• Implement Duck ai usage attributed metric #7028
• update metrics config from remote #6999
• Adds attributed metric for ad clicks #6956
• Adding retention attributed metric #6955
• Adding search related attributed metrics #6899 👈 (View in Graphite)
• Add attributed metrics internal dev settings #6901
• Attributed metrics module and skeleton #6887 : 1 other dependent PR (#6940 )
• develop

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[cmonfortep]

Missed this bit on a different PR. "Unrelated"

[marcosholgado]

LGTM