Update web content filters screen title and summary using messenger service.

Code changes from KM side: cl/751548333.

Test: atest SupervisionWebContentFiltersScreenTest
Bug: 412359783
Flag: android.app.supervision.flags.enable_web_content_filters_screen
Change-Id: I47bdba802fe70eafcbca8d4f4267c219345c6538
2 files changed