Merge "graphics: mesa: Add ro.hardware.egl=mesa" into main am: 3eb597cdd7

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/2788892

Change-Id: I40443d37a43abd0e4212671be8092b6a09840924
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>