msm: vidc: Handle get ctrl of level/profile correctly

Get control of profile/level is not handled correctly
for VP8 and HEVC. Make changes so that they are handled
correctly.

CRs-Fixed: 2049300
Change-Id: Id8e4d28bb4043cdc51cfb7270719f683f39df2fd
Signed-off-by: Vaibhav Deshu Venkatesh <vdeshuve@codeaurora.org>