Android: Fix compilation of qpluginloader test

The almostplugin has an unresolved symbol, and on Android
we compile with -no-undefined.

Change-Id: Ia631193890dfe8e7ac8e58087475164222d876fc
Reviewed-by: BogDan Vatra <bogdan@kde.org>
Android: Fix compilation of qhostaddress test

The sockaddr_in struct is defined in netinet/in.h header.

Change-Id: I67a3421094c96a5e948968a26723ec8c21f85c93
Reviewed-by: BogDan Vatra <bogdan@kde.org>