libziparchive: write failures are errors, not warnings. am: 18ac0e91b5 am: f3d03a54d0

Original change: https://android-review.googlesource.com/c/platform/system/libziparchive/+/2940667

Change-Id: Ibe91ff7fb912f5d7460fcc552026276364edfc63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>