qseecom: Assign app_id at the valid place.
qseecom: Assign app_id at the valid place.

app_id was always 0 as it was getting a default value. Fix is to
assign the app_id return value of the function
"__qseecom_check_app_exists"

Change-Id: I21b866b42c40047653a0ab111c262f269c3de943
CRs-fixed: 473405
Signed-off-by: Hariprasad Dhalinarasimha <f59ac8eef4ba99d0d5d05702dd0ebcce1c5f891c@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas