Revert "Revert "Upgrade zerocopy to 0.7.5""

This reverts commit 918dbbab8608d680ff39179791cab19a0acaedfb.

Reason for revert: rolling forward in the same topic as the library upgrade

Change-Id: Idfab00e9cfb6561fc268c02d0cf6406b0c357a1c
2 files changed