[Segmented Onboarding] Local config update and E2E tests support

[LukasPaczos]

Task/Issue URL: https://app.asana.com/1/137249556945/project/1208671518894266/task/1218619864333941?focus=true
Tech Design URL (if applicable):
API Proposals URL(s) (if applicable):

Description

• Updates the config to start enrollment for the segmented onboarding experiment.
• Introduces a single segmented E2E test path (the one that diverges least from production, "block ads") so that we don't start seeing failures when a test run gets enrolled into the treatment cohort.

Before merging, the target version needs to be verified/updated.

Steps to test this PR

control

• Create privacy-config/privacy-config-internal/local-config-patches/review_patch.json:

[
  {
    "op": "add",
    "path": "/features/segmentedOnboarding",
    "value": {
      "state": "enabled",
      "features": {
        "onboardingFlowByDownloadReasonExperiment": {
          "state": "enabled",
          "cohorts": [
            {
              "name": "control",
              "weight": 1
            },
            {
              "name": "treatment",
              "weight": 0
            }
          ]
        }
      }
    }
  },
  {
    "op": "replace",
    "path": "/features/onboardingPrompts/features/addToDockAndWidgetExperimentJul25/state",
    "value": "disabled"
  },
  {
    "op": "add",
    "path": "/features/onboardingPrompts/hash",
    "value": "patched"
  },
  {
    "op": "replace",
    "path": "/version",
    "value": "90000000000001"
  }
]

• Create privacy-config/privacy-config-internal/local.properties:

config_patches=privacy-config/privacy-config-internal/local-config-patches/review_patch.json

• Apply below diff:

diff --git a/privacy-config/privacy-config-impl/src/main/res/raw/privacy_config.json b/privacy-config/privacy-config-impl/src/main/res/raw/privacy_config.json
index 3aa4d13ed4..9500e40af6 100644
--- a/privacy-config/privacy-config-impl/src/main/res/raw/privacy_config.json
+++ b/privacy-config/privacy-config-impl/src/main/res/raw/privacy_config.json
@@ -954,3 +954,3 @@
                 "addToDockAndWidgetExperimentJul25": {
-                    "state": "enabled",
+                    "state": "disabled",
                     "cohorts": [
@@ -981,3 +981,3 @@
                     "state": "enabled",
-                    "minSupportedVersion": 52960000,
+                    "minSupportedVersion": 52952000,
                     "targets": [
@@ -996,3 +996,3 @@
                             "name": "treatment",
-                            "weight": 1
+                            "weight": 0
                         }

• Clear downloads dir (replace the rm command with a path and device ID you're testing on.):

adb -s emulator-5554 shell rm -rf /storage/emulated/0/Download/DuckDuckGo

• Run tests:

./gradlew installInternalRelease && for t in \
  .maestro/onboarding/onboarding.yaml \
  .maestro/onboarding/onboarding_dismiss_all_dialogs.yaml \
  .maestro/onboarding/onboarding_dismiss_try_a_search_dialog.yaml \
  .maestro/custom_tabs/custom_tabs_navigation.yaml \
  .maestro/custom_tabs/custom_tabs_navigation_new_tab.yaml \
  .maestro/fire_button/fire_during_onboarding.yaml \
  .maestro/fire_button/dimiss_fire_during_onboarding.yaml; do
  adb -s emulator-5554 shell rm -rf /storage/emulated/0/Download/DuckDuckGo
  maestro test "$t" || echo "FAILED: $t"
done

treatment

• Update privacy_config.json and review_patch.json:
  • control to 0
  • treatment to 1
• Clear downloads dir (replace the rm command with a path and device ID you're testing on.):

adb -s emulator-5554 shell rm -rf /storage/emulated/0/Download/DuckDuckGo

• Run tests:

./gradlew installInternalRelease && for t in \
  .maestro/onboarding/onboarding.yaml \
  .maestro/onboarding/onboarding_dismiss_all_dialogs.yaml \
  .maestro/onboarding/onboarding_dismiss_try_a_search_dialog.yaml \
  .maestro/custom_tabs/custom_tabs_navigation.yaml \
  .maestro/custom_tabs/custom_tabs_navigation_new_tab.yaml \
  .maestro/fire_button/fire_during_onboarding.yaml \
  .maestro/fire_button/dimiss_fire_during_onboarding.yaml; do
  adb -s emulator-5554 shell rm -rf /storage/emulated/0/Download/DuckDuckGo
  maestro test "$t" || echo "FAILED: $t"
done

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