audio: update music playback volume curve

- changes volume 1,2,3,4,5 (due to a sound quality noise floor issue)

Bug: 198224217
Test: manual power test (b/198224217#comment21)

Signed-off-by: Jasmine Cha <chajasmine@google.com>
Change-Id: Ied7e88ad941e8a13e2080da6e2897b9541966dd0
(cherry picked from commit b116b5782066717b8c09413da99e1c988b9c3102)
1 file changed