Add unit test to verify option propagation from starter to modifier.

This changelist adds a test, which makes sure that the options
specified when executing an ActivityStarter are properly communicated
to the LaunchParamsModifier if a task is created during start.

Change-Id: Id244006106b72977206d5199c4e508807924d028
Fixes: 69270257
Test: atest FrameworksServicesTests:ActivityStarterTests#testCreateTaskLayout