Wifi: Add Support for Body Proximity for SAR

This commit extends the SAR support to include scenarios for near
head/body and voice calls
These features are only applicale for a certain device capability
(defined in capability mask)

Bug: 3489513
Test: Manual

Change-Id: Ie99978df3c19e04fdd3d7862240f6d3c62eac539
Signed-off-by: Ahmed ElArabawy <arabawy@google.com>