audio-kernel: Reset client info on deregister.

For elite and audioreach co-exit, we need keep source file same.
This patch exit in audioreach but not included in elite, cp it to keep file same.
Leveraged from audio-ar commit id ac15eb7016aff23a2be2a57289635d741cb95340

Change-Id: I187909403e9b54c8f6836477208de5e8311bf4ff
Signed-off-by: Kogara Naveen Kumar <quic_nkogara@quicinc.com>