* Soud refactor
* remove files from files_common
* add timeout to set_volumn
* add param volume to init
* done
* test.cc
* fix typo
* add repeat param instead of loop
* revert submodule
* add member function currentSound
* remove function create_player from class member
* fix build error
fix repeat
* rename CHECK_RESULT to ReturnOnError
* set currentSound_ before posible err
* use std::map to initialize sound table
cleanup
cleanup
cleanup
fix bug in stop
change paramater name
* done
* remove function CreatePlayer, create player in init()
* resolve conflict
* remove sound test
* rebase
* remove whitespace
* Apply great review suggestion
* use player's SLVolumeItf interface to set volume
* use float
* leave the volume control the way it is
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