Add native test libclat_test to MTS.

In order to get counted by mts code coverage, this native test needs to
be run as part of mts.

Bug: 233904825
Test: m mts && mts-tradefed run mts-tethering-coverage
Change-Id: I4ec7108577a8a50d4419bbf387535f92f2f6d099
1 file changed