Add Vts test for xsd_config

The vts_permission_validate_test and
vts_defaultPermissions_validate_test are added for checking xsd schema
validation.

Bug: 127435354
Test: vts-tradefed run vts -m VtsValidatePermission
Test: vts-tradefed run vts -m VtsValidateDefaultPermissions

Merged-In: Ib73dcbe4f9c20e0a957be4325d5cfc2b27c64b67
Change-Id: Ib73dcbe4f9c20e0a957be4325d5cfc2b27c64b67
(cherry picked from commit dc15dc8c)