d2-common: lower camcorder audio volume

Lowering the setting to 87% puts the volume slightly louder then TW.
83-85% is on par w/ TW but voices seem to come through better at 87%

Change-Id: I02b055c6657727728838c86b3011469567607868
d2-common: move prop to qcom-common

call_ring.multiple prop was moved to qcom-common

Change-Id: I0459964cca498ea98382f4c7deb40d1837ab8ec6
Merge "d2-common: move prop to qcom-common" into cm-10.1