ASoC: msm: Add the support to start the playback with a relative delay

Maintain the sync between the two concurrent sessions,
by delaying the start of the session which is running ahead.

Change-Id: I01abec8a3a4c7afcfefc013809c7e4221d0201d3
Signed-off-by: Aviral Gupta <aviralg@codeaurora.org>
Merge "ASoC: msm: Add the support to start the playback with a relative delay"