Increase board size for gcar am: 8e4ee190b9 am: a3300779b3

Original change: https://android-review.googlesource.com/c/device/generic/car/+/2808257

Change-Id: Ia2f15e077f5aa6025178ebfbb91a7c3bf4e87506
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>