Stop building the system-image zip am: 897fe05053

Original change: https://android-review.googlesource.com/c/platform/development/+/2073608

Change-Id: I672659eb7b2fc57194c9e091bd905e75b0009b63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>