Add test for AdapterService.dump()

This calls all other dump() methods in package
com.android.bluetooth.btservice, so no other dump tests are needed.

Bug: 237467631
Test: atest AdapterServiceTest#testDump
Change-Id: I0da8f9aa8004f2f511666ec39cbb2a7d220840bf
(cherry picked from commit 81101987)
Merged-In: I0da8f9aa8004f2f511666ec39cbb2a7d220840bf