修改power off菜单弹出时间

修改./frameworks/base/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

    private void interceptPowerKeyDown(boolean handled) {
        mPowerKeyHandled = handled;
        if (!handled) {
            // mHandler.postDelayed(mPowerLongPress, ViewConfiguration.getGlobalActionKeyTimeout());
            // ViewConfiguration.getGlobalActionKeyTimeout()默认值为500
            mHandler.postDelayed(mPowerLongPress, 100);
        }
    }