SystemUI: Algin with Android SA solution

For the 5G icon
1.Show 5G BASIC icon when below conditions are met:
a)Data network type is NR and
b)Data connection state is DATA_CONNECTED and
c)NrIconType is  BASIC

2.Show 5G UWB icon when below conditions are met:
a)Data network type is NR and
b)Data connection state is DATA_CONNECTED and
c)NrIconType is  UWB

3.Show 5G icon when below conditions are met:
a)Data network type is NR and
b)data connection state is DATA_CONNECTED

For the signal strength
1.Get signal strength from  CellSignalStrenghtNr when below conditions are met:
a)Data network type is NR and
b)CellSignalStrenghtNr is valid

2.Get signal strength from  NetworkCallback(AIDL) when below conditions are met:
a)Data network type is NR and
b)CellSignalStrenghtNr is invalid

CRs-Fixed: 2480695
Change-Id: Ia70c37a8f49dcd68fafa100c28bde42630ec2915