ASoC: compr: timestamp fix for non-gapless mode

Cache last known playback timestamp before resetting the
in use session in preparation for possible re-use of the
same session.
ASoC: msm: propagate the error code from the compr driver

Propagate the error code to the upper layers to avoid the
unwanted sequence of the commands to DSP.
ASoC: compr: Disable soft-pause for compress playback

Soft-pause (i.e pause ack after a timeout) adversely affects
audio/video sync during pause/resume use cases leading to some
frame drops. Disable this feature for compress playback.
ASoC: msm: set the master gain to 0 on DSP while configuring

- Mute media volume and play any music clip then reboot
  the phone. Play music again noise comes. This noise
  is introduced in DSP/LPASS.

- DSP suggestion is to mute master volume gain while
  configuring ASM session to avoid such noise at
  begining of asm playback.