Sebastian Jansson f33905d1a0 Makes some CallTest members private.
This prepares for replacing single instance members with vectors in a
follow up CL.

Bug: webrtc:9510
Change-Id: Ie05436ec89a0af9ce9fe9cece9842a39227246ec
Reviewed-on: https://webrtc-review.googlesource.com/88180
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23968}
2018-07-13 11:15:45 +00:00
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2018-06-19 14:00:39 +00:00
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