mm-video-v4l2: vidc: Amend debug log macros

Currently debug logs are not coming under conditional
statements if flower brackets are not used. Amend debug
log macros to print the logs without the need of any
flower brackets.

Change-Id: I0db3316774695fed481a137672b8d22a03fe85f4
mm-video-v4l2: vdec: streamoff while freeing first output buffer

Streaoff is being skipped if client sends commands loaded ->
idle -> allocate output buffers -> loaded -> free output buffers ->
get buffer requirements and results in failure. Do streamoff
while client frees the first output buffer to resolve the issue.
Do not streamoff when dynamic buffer mode is enabled.

Change-Id: I45edd58d827b5706990d8bdf359661bd8eb691de