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
Change-Id: Ib73dcbe4f9c20e0a957be4325d5cfc2b27c64b67