Use ServiceState to get data cell ID

ServiceState now contains a CellIdentity that can be obtained
specifically from the data subscription, and for PS on cell
only.

This should be used for connectivity level network monitoring
info.

Bug: 123893112
Test: 1. atest NetworkMonitorTest
      2. Verify if cell id is correct

Change-Id: Ieb00de84a0d518e3197e3884f946b872e998304a
2 files changed
tree: 40814702ad2836def406f59c0bb36127b72f457f
  1. src/
  2. tests/
  3. Android.bp
  4. AndroidManifest.xml
  5. OWNERS
  6. TEST_MAPPING