On AppDataUsage page, using single source of truth to calculate the
default template, and set title base on the current template.
Fix: 213266028
Fix: 234104784
Test: visual - on AppDataUsage
Test: unit test
Change-Id: I80facca0b000964e901905af51a344a4bc9f498b
- Chageed the title "App data usage" to "Mobile data & Wi-Fi"
Change-Id: I0fa00180eedda6be6189f871f9984ac164f9fb67
Fixes: 118770561
Test: visual & robotests
- remove all v1 code and the corresponding feature flag switch.
Bug: 117420679
Test: make RunSettingsRoboTests
Change-Id: Ib062c03c671b0f860698f5e5e153ab46d963175a