2019.12.17  II 8.99.2

M3 and UP2 have some problems, see latest comment.

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Test board: RPI3B

Test audio：MP3，OGG，acc

File path：U-disk and  copy to /media

mediaplayer can auto detect the file, but can't play,  and did not show audio length.

Feb 10 17:05:45 raspberrypi3 daemon.err afbd-agl-service-mediaplayer@1.0-9e9f114[752]: ERROR: [API mediaplayer] GSTREAMER Failed to call ahl-4a/multimedia! [/usr/src/debug/agl-service-mediaplayer/1.0+gitAUTOINC+3020cafa6e-r0/git/binding/afm-mediaplayer-binding.c:99,mediaplayer