Merge "add sha256 to art-host-tests zip to lower rbe upload overhead" am:...

Merge "add sha256 to art-host-tests zip to lower rbe upload overhead" am: 6d2b198f am: dad161c5 am: ae9d03e6 am: b1248907 am: f5918af2

Original change: https://android-review.googlesource.com/c/platform/build/+/2640232



Change-Id: I1b7176bf9bc10ca72e84d16858060f03cc502986
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>