msm8953-common: Media volume: from 15 to 25 steps

Test: play media, use all 25 vol steps and observe varying attenuation
Bug: 32195657
Change-Id: I7ac87df0b2b15de3a7bb87e739bd88ef7b185236

prop.mk

@@ -17,6 +17,7 @@ PRODUCT_PROPERTY_OVERRIDES += \
 	persist.vendor.audio.fluence.speaker=true \
 	persist.vendor.audio.fluence.voicecall=true \
 	persist.vendor.audio.fluence.voicerec=true \
+    ro.config.media_vol_steps=25 \
     ro.config.vc_call_vol_steps=7 \
 	persist.vendor.btstack.enable.splita2dp=false \
 	ro.af.client_heap_size_kbyte=7168 \
@@ -228,3 +229,4 @@ PRODUCT_PROPERTY_OVERRIDES += \
 # Wifi
 PRODUCT_PROPERTY_OVERRIDES += \
     wifi.interface=wlan0
+