Set call recording source to voice line

Change-Id: Ie51be3225fd383a7ab8ca0d4862351d38601968d
fstab: remove length parameter for encryption

* This is not needed and actually causes encryption to fail
  most of the time.

Change-Id: I86bdffccab213e4e06609c1c179666fab30ea7c6
changes for KK blobs