On Android, all data for the dashboard is delivered via methods that have been attached to the global window object.

Please see the aboutLink below under the heading 'Integration API'

Functions

backgroundMessage
fetch
getBackgroundTabData
onChangeConsentManaged
onChangeFeatureSettings
onChangeLocale
onChangeMaliciousSiteStatus
onChangeProtectionStatus
setup

Android -> JavaScript Interface

onChangeRequestData

Javascript -> Android Interface

PrivacyDashboardJavascriptInterface