[oe] [PATCH 1/9] poppler: upgrade 0.82.0 -> 0.84.0

[Mingde (Matthew) Zeng]

>> Have you by chance tried to add ptest coverage for poppler?
>> If not, Matthew may do that.
>>
>>
> Have not done any ptest on this - just some runtime tests on target with evince
>
> Andreas

```
$ make test
Running tests...
Test project /home/mzeng/code/poppler/build
      Start  1: check_qt5_attachments
 1/21 Test  #1: check_qt5_attachments ............***Failed    2.47 sec
      Start  2: check_qt5_dateConversion
 2/21 Test  #2: check_qt5_dateConversion .........   Passed    0.58 sec
...
```

Poppler's `make test` runs tests from the `/build/qt5/tests` directory, which apparently are relying on qt5.

```
/****************************************************************************
** Meta object code from reading C++ file 'check_attachments.cpp'
**
** Created by: The Qt Meta Object Compiler version 67 (Qt 5.14.0)
**
** WARNING! All changes made in this file will be lost!
*****************************************************************************/

#include <memory>
#include <QtCore/qbytearray.h>
#include <QtCore/qmetatype.h>
...
```

Is it worth it to write a ptest and sort out the meta-qt5 layer?

    Matthew