Merge "Fixed IMMS.DebugFlag#refresh() default value" into pi-dev

    private static final class DebugFlag {

        private static final Object LOCK = new Object();

        private final String mKey;

        private final boolean mDefaultValue;

        @GuardedBy("LOCK")

        private boolean mValue;

        public DebugFlag(String key, boolean defaultValue) {

            mKey = key;

            mDefaultValue = defaultValue;

            mValue = SystemProperties.getBoolean(key, defaultValue);

        }

        void refresh() {

            synchronized (LOCK) {

                mValue = SystemProperties.getBoolean(mKey, true);

                mValue = SystemProperties.getBoolean(mKey, mDefaultValue);

            }

        }