Change naming pattern of implicit zen rules

They are now "Do Not Disturb (<app name>)" instead of just "<app name>".

Also, update name and trigger description when switching languages or when the corresponding APIs are called (e.g. app's name may have changed).

Fixes: 376303858
Test: atest ZenModeHelperTest
Flag: android.app.modes_ui
Change-Id: Ib2bdeaae045f1ffe4f12a90dbef8e2edddeb03be