exynos_omx: multi_thread: Fix the wrong type casting and data access.

The case of using AndroidNativeBuffer,
Errors can happen in Exynos_OSAL_RefANB_Increase by wrong type casting and data access.
The cause, there was a omit to commit merge.
(currently don't need. =>  https://partner-android-review.googlesource.com/#/c/28006/2)

Bug: 10192533
Change-Id: Ie296d6a25da447c4d29b671dc722019cd57aa994
Signed-off-by: SeungBeom Kim <sbcrux.kim@samsung.com>
5 files changed