DO NOT MERGE New carrier config enhanced_4g_lte_title_variant_int

Using KEY_ENHANCED_4G_LTE_TITLE_VARIANT_INT for customizing the title of
Enhanced 4G LTE Mode settings

Bug: 112676117
Test: Manual test, setting config to 0, 1 or -1 to change the index for
verifying different variant title of Enhanced 4G LTE Mode settings.

Change-Id: I6d52537ef75d57aa2b24240bb57fc1e115bca415
2 files changed