Merge "libsnapshot: op_count_max default to max blocks" into main am: 5e4b3263ab

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2898987

Change-Id: I9811519fa263dd64efb9a548446a107db46e00af
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>