Create XML parser for UX restrictions config.

Bug: 120028931
Test: test CarServiceTest:com.android.car.CarUxRestrictionsConfigurationXmlParserTest
Change-Id: If8e8c258f895f8703e9b480990da5bceae73bb40
(cherry picked from commit c1eff6546c9bb7fb76f9da8e160c755e353c31dd)
8 files changed