ASoC: msm: qdsp6v2: fix incomplete playback issue for non-gapless formats

Fix data loss on auto switching of playback to next clip
when current playback format is not having gapless support
in compressed driver.
Media playback complete event is sent to framework on completion
of partial drain, this is supposed to be before actual renderer
EOS by duration equal to value of PARTIAL_DRAIN_ACK_EARLY_BY_MSEC,
but due to uninitialized frame size for non-gapless formats this
duration calculated is inaccurate and sometimes triggers drain
completion too early, leading to premature teardown of playback
session.
Fix this by disabling gapless on formats not having valid gapless
parameters.
Recalculate partial drain delay based on flac min block size
to avoid incorrect drain delay for FLAC format.

Change-Id: I7f70a6fc17cc9c339ea754fd21aae6865355bef2
Signed-off-by: Dhananjay Kumar <dhakumar@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>