[Strings + layout] Minor changes for eSIM erase.

1. String changes (uniform on both screens now)
2. Minor non-functional layout changes (margin is uniform now)

Reset everything: https://screenshot.googleplex.com/OZsvOt36CZf
Reset networks: https://screenshot.googleplex.com/in0vdOAeF7u

Change-Id: I92d068c3731f6915c8d393d94ac8c25a3c8ed773
Fix: 119120504
Test: on device