8.88c sound recorder redesign

New design according to SoundRecorder mockups [3]
Tests: [1] (new testrun for single failed test [2])

[1] http://catrobatgw.ist.tugraz.at:8080/job/Catroid-custom-branch-test/740/
[2] http://catrobatgw.ist.tugraz.at:8080/job/Catroid-single-UI-test/493/
[3] https://github.com/Catrobat/DesignAndUsability/tree/master/catroid/SoundRecorderatroid/SoundRecorder