Revert "Change carrier name shown No Service to ECO"

This reverts commit b023773a18c37a8a50a6d18e552b1e440dff13e7.

Reason for revert: Not yet decided to release this at this stage

Change-Id: Ic0018cadcc228667a64f6f8c694bb6a04f00adc9

Bug: 130857483
Bug: 133201131
Bug: 132291669
4 files changed