Run relevant tests in single and dual pane

There is some differentiation in logic depending on whether or not
CarSettings is in single or dual pane mode, so we need to run certain
tests in the relevant configuration for them to work properly.

Bug: 187053271
Test: atest CarSettingsUnitTests
Change-Id: Ieea5dce7aae9f69134f44bc6968ca95bfe27416d
8 files changed