Applied conventions for "e.g."

As per convention, we should avoid using "e.g." (we should use "for
example" instead). Found and replaced them accordingly; didn't touch
instances that looked copy-pasted from stdout.

Change-Id: I45aae1a30b872f916744a6a33f6888abe8cf6eb0
Partial-Bug: #1217503
Merge "Applied conventions for "e.g.""