msm: vidc: change concealment color

0x8080 is gray color concealment, changing it to
black color, which is 0x8010.

Change-Id: I50897d771913ee33a5b2c2ea486996dfc0c294bf
Signed-off-by: Manikanta Sivapala <msivap@codeaurora.org>
mako_hotplug

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>