Revert "hal: Fix voice call routing issue on headset"

Sometimes rx mute is observed in voice call. Rx sound device
reference count is incrementing incorrectly causing this issue.
Reverting this commit 5c353ebc429495115361f4b53365f8bf3b1a78c8
will fix the issue.

CRs-Fixed: 979685
Change-Id: I559930457f04a0c890c60386d77153593c5e617e