API updates for TrafficDescriptr fields

Bug: 179312227
Test: atest VtsHalRadioV1_6TargetTest
Change-Id: I33018ad413875f4fae1497ed5acc8ee50df7c942
Merged-In: I33018ad413875f4fae1497ed5acc8ee50df7c942
diff --git a/radio/1.6/IRadio.hal b/radio/1.6/IRadio.hal
index e7267ef..411a09e 100644
--- a/radio/1.6/IRadio.hal
+++ b/radio/1.6/IRadio.hal
@@ -103,6 +103,12 @@
      *   - Support simultaneous data call contexts up to DataRegStateResult.maxDataCalls specified
      *     in the response of getDataRegistrationState.
      *
+     * The differences relative to the 1.5 version of the API are:
+     *   - The addition of new parameters pduSessionId, sliceInfo, trafficDescriptor, and
+     *     matchAllRuleAllowed.
+     *   - If an existing data call should be used for the request, that must be indicated in the
+     *     response by setting SetupDataCallResult::cid to the context id of that call.
+     *
      * @param serial Serial number of request.
      * @param accessNetwork The access network to setup the data call. If the data connection cannot
      *     be established on the specified access network then it should be responded with an error.
@@ -122,7 +128,8 @@
      *     Reference: 3GPP TS 24.007 section 11.2.3.1b
      * @param sliceInfo SliceInfo to be used for the data connection when a handover occurs from
      *     EPDG to 5G.  It is valid only when accessNetwork is AccessNetwork:NGRAN.  If the slice
-     *     passed from EPDG is rejected, then the data failure cause must be DataCallFailCause:SLICE_REJECTED.
+     *     passed from EPDG is rejected, then the data failure cause must be
+     *     DataCallFailCause:SLICE_REJECTED.
      * @param trafficDescriptor TrafficDescriptor for which data connection needs to be
      *     established. It is used for URSP traffic matching as described in TS 24.526
      *     Section 4.2.2. It includes an optional DNN which, if present, must be used for traffic