Add LSS tests to presubmit.

Bug: 120536847
Test: atest frameworks/base/services/tests/servicestests/src/com/android/server/locksettings/
Test: insert a fail() into a test, see TH failure for patch set 1
Change-Id: Ic09abf94c1b0fdce29afe70a4fd01f31761c1208
10 files changed