Rename CONNECTED and NOT CONNECTED to IN SERVICE and OUT OF SERVICE

CONNECTED and NOT CONNECTED has confused a lot with RRC states
Thefore renamed it to IN_SERVICE and OUT_OF_SERVICE

Bug: 349504154
Flag: EXEMPT bugfix
Test: Regression test includes sending and receiving message via satellite network
Change-Id: Ib00c7f4c5f81a2186757b2c5651cbc96a6752512