Upgrade zerocopy to 0.7.5 am: a1658dea78

Original change: https://android-review.googlesource.com/c/platform/system/tools/mkbootimg/+/2786436

Change-Id: I8b049891ee5fb429e27cc13c58e78e26a3ea940f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>