lineage: apns: Update T-Mobile US to reflect latest carrier changes

* This fixes VoLTE on the Pixel 4 series, Moto Z2 Force, and
  numerous others - this seems globally required at this point.

* Reference:
  https://www.t-mobile.com/support/devices/android/google-pixel-4/network-apn-and-volte-google-pixel-4

Change-Id: Icd89fbe07f084eb57e74e7ac380c6cffea29c953