use coherent memory for command buffers am: db704c9c28

Original change: https://android-review.googlesource.com/c/device/generic/goldfish-opengl/+/2423386

Change-Id: I382bf047ca0a70705a30922b92b85df2608df5b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>