b235/rpi, dio vts 1.1 All tests on XXXConfig/index.html#S11n fail

All tests on DeviceConfig-s serialization failed:
For example,

api/jdk/dio/adc/ADCChannelConfig/index.html#S11n

----------------------Agent Information----------------------
AgentID=8133c056
-------------------------------------------------------------
command(after mapping): com.sun.tck.cdc.lib.ExecCLDCTestOnCDCSameJVMCmd com.oracle.tests.jdk.dio.adc.ADCChannelConfig.S11nTests
testSerializeNull: Failed. serialize(null): NPE is expected, IOE is thrown
testSerializeReturnValue: Failed. serialize(okay): IOE is thrown
testS11nGeneral: Failed. serialize(okay): IOE is thrown
testS11nWrongTypeIOE: Passed. OKAY