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: Ib1e9e2d0334db4116893200ce4624bd0e74c24a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>