Android CTS 5.0 Release 7 (2906672)
Accept command-line input for neverallow-check.

Also, divide each sepolicy-analyze function into its own component for simplified
command-line parsing and potentially eventual modularization.

Bug: 18005561

Cherry-pick of commit: ef4fd30672ebfeac1a0ad04f65deb7b38050b818
with commit: 47c14611565285a59124d9aefd1edb5ebf5bab01
squashed in.

Bug: 19191637
Change-Id: Id66cad549b7311a6bbd92fd64b6ec2c60d0433a4
16 files changed