Supported URLLC, EMBB, and CBS slicing

Supported URLLC (Ultra Reliable Low Latency Communications),
eMBB (enhanced Mobile Broadband), and carrier specific service
for 5G slicing.

Test: atest DataNetworkTest DataProfileManagerTest TelephonyNetworkRequestTest
      TrafficDescriptorTest & CTS
Fix: 215232817
Change-Id: I4f01ed66e694a563f64f1b09b758c03a8eee3e2c