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

Bug: 32718590
Test: atest CtsTelephonyTestCases:ServiceStateTest#testServiceState
Merged-In: I3337f00348110b038de0ab9ba481833b0d775dfe
Change-Id: I3337f00348110b038de0ab9ba481833b0d775dfe
(cherry picked from commit e1ea19825611440346e55a687a7f115ec3a3c1d8)
1 file changed