chromeos_camera/MJDA: Fix SharedMemoryHandle creation

Correct the size parameters used to create SharedMemoryHandle.

Bug: b:132928975
Test: Open camera app and check JDA is working in messages.
Change-Id: Ib2f18ed80fce1b55b983780cea541b111d18f903
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1616874
Reviewed-by: Ricky Liang <jcliang@chromium.org>
Commit-Queue: Ren-Pei Zeng <kamesan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#661290}
1 file changed