If the device is configured as AP-assited mode, multiple
DcTrackers will be created for each corresponding
data service. For legacy mode, only one DcTracker will
be created.
Test: Unit tests and telephony sanity tests
Bug: 73659459
Merged-In: I9f6afd65093dd1c65841466c6ff063717bb5bdaa
Change-Id: I9f6afd65093dd1c65841466c6ff063717bb5bdaa
(cherry picked from commit 21096187156c0b2e40d1e943cb250fbdca9de022)