inspect_cow: Add -l option to show all ops

This makes inspect_cow not list all ops by default. Instead you must
pass -l to do this. This allows for viewing other data without being
overwhelmed bt the cow listings.

Test: inspect_cow with no flags, -l, and -lo
Change-Id: I3968ff53acb4e645a16ac5b09c5dee8374946f55
1 file changed