FWB: Make "Swap volume buttons" optional (1/2)

Change-Id: I067cfc5773cea1ade4daa6bb0a19c1882311d2e3
Screenrecord: save screenrecord in "Screenrecords" directory

previously it was saved in "Screenshots"
also refactor source a bit, remove warnings

PS2: LOG screenshots --> screenrecords

Change-Id: Idf9b024bbbf1816aa91e5e455525750a761ddb73