Changing DEVICE_NR_CAPABILITY type and renaming getMaxActiveInternetData

DEVICE_NR_CAPABILITY_*: Using int array instead of bitmask
Rename getMaxActiveInternetData and remove SystemAPI
Rename getMaxActivePacketSwitchedVoiceCalls

Bug: 180419672
Test: atest CtsTelephonyTestCases:android.telephony.cts.TelephonyManagerTest#testGetPhoneCapabilityAndVerify
atest CellularNetworkValidatorTest
atest PhoneCapabilityTest
atest PhoneSwitcherTest
atest TelephonyRegistryTest

Change-Id: I9b18993107c42fa386b08637d01502337a14e3b9