audio: update O6/R4 Aaram volume curve

O6
Change:
<volume stream="AUDIO_STREAM_ALARM" deviceCategory="DEVICE_CATEGORY_SPEAKER">
        <point>0,-4800</point>
R4
Change:
<volume stream="AUDIO_STREAM_ALARM" deviceCategory="DEVICE_CATEGORY_SPEAKER">
        <point>0,-5200</point>

Bug: 201069348
Test: build pass
Signed-off-by: Carter Hsu <carterhsu@google.com>
Change-Id: Ia5f82e06bc272d93172892692c7987993786b754
2 files changed