Merge "Wifi use state machine from modules-utils" into stage-aosp-master

        "android/util/Rational.java",

        "com/android/internal/util/FastXmlSerializer.java",

        "com/android/internal/util/HexDump.java",

        "com/android/internal/util/IState.java",

        "com/android/internal/util/MessageUtils.java",

        "com/android/internal/util/State.java",

        "com/android/internal/util/StateMachine.java",

        "com/android/internal/util/WakeupMessage.java",

    ],

    visibility: [