nvcam-threadmgr: cleaning up thread-dic after use.
nvcam-threadmgr: cleaning up thread-dic after use.

Added the liveview thread details into clean-up function to clean up the
ununsed date.
Invoke the thread-dic cleaner function in relevant places to wipe off
rogue thread data.

Signed-off-by: Sugesh Chandran <f7e7974487129857cab6f713d1ba07745529a3dd@intel.com>

sugchand/neoview-middle-box,sugchand/neoview-middle-box,sugchand/neoview-middle-box