chromeos_camera/JEA: Fix shared memory handle creation

The size of SharedMemoryHandle is now checked when mapping, so we should
pass correct buffer sizes in JEA.

Bug: b:133119111
Test: Take picture and check HW encoding works from /var/log/messages.
Change-Id: I30c95e85a329f95083ae16cf3383ff3377e53409
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1619517
Reviewed-by: Ricky Liang <jcliang@chromium.org>
Commit-Queue: Ren-Pei Zeng <kamesan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#661313}
1 file changed