Added CTS test cases for getNetworkId() and getSystemId()

Bug: 32718590
Test: atest CtsTelephonyTestCases:ServiceStateTest#testServiceState
Merged-In: I5826a59d85028f0350ee39c69553f4e488d6456b
Change-Id: I5826a59d85028f0350ee39c69553f4e488d6456b
(cherry picked from commit 1b8b38928b4e20e7e66ab75e39159b158dc5c4c9)
2 files changed