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Use IOSurfaceAlignProperty to align the following properties:
- kIOSurfacePlaneBytesPerRow
- kIOSurfacePlaneSize
- kIOSurfacePlaneOffset
- kIOSurfaceBytesPerRow
- kIOSurfaceAllocSize
Clean up the structure of CreateIOSurface by merging the two
"if (num_planes > 1)" branches.

Bug: 1134712
Change-Id: Ib5d7c936b5f21359657af4f27f78fb1eca1d14e1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2518763Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: ccameron <ccameron@chromium.org>
Cr-Commit-Position: refs/heads/master@{#824571}