Treat data in service as camped

Problem:
android.telephony.sdk28.cts.CellInfoTest#testCellInfoSdk28 fails on LTE only devices
Initial condition:
1. LTE only devices
2. Download GSI image
Root cause:
LTE only device with GSI, device will not register on VOLTE, and CS will not in service.
But in testCellInfoSdk28, only voice state is checked in isCamped(), it makes case fail.
Solution:
Treat data in service as camped

Test: android.telephony.sdk28.cts.CellInfoTest#testCellInfoSdk28 can pass
Change-Id: I793ac8b2d9456e916ab8945f780d06be2101d163
Bug: 195364974
3 files changed