Change fake device config for ART arm32 testing. am: 9450fe7ec6

Original change: https://android-review.googlesource.com/c/device/generic/art/+/3059343

Change-Id: Ic9918aeed50ea06373e4722843ba435170f79c87
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>