5G icon default changed

default value:"connected_mmwave:5G,connected:5G,not_restricted_rrc_idle:5G
,not_restricted_rrc_con:5G"

Bug: 150826929
Test: build pass
Change-Id: I298b0eb496f5aae8c812ccfa375e2649fc9c2a64
Merged-In: I298b0eb496f5aae8c812ccfa375e2649fc9c2a64