Convert TelecommUnitTests to androidx

TelecommUnitTests' dependencies use androidx, convert
TelecommUnitTests.

Bug: 112467584
Test: mmma packages/services/Telecomm/tests
Change-Id: I12400374db0ce0d521aa8ee328fe0a15ab4f54d6
Merged-In: I12400374db0ce0d521aa8ee328fe0a15ab4f54d6
(cherry picked from commit 2941b85fd5c877790f6cd27797932234fb745d0e)
1 file changed