Remove -z option.

This option doesn't work with the current selinux protections and
doesn't serve much of a purpose. You can get the same results running
this:

dumpstate | gzip > /data/local/tmp/dump.txt.gz

Bug: 19271141
Change-Id: Icc76200df33dc708e30c556ec8a0f393f995fe7c
3 files changed