Correcting issue where 1-way video calls do not log as video in call log.

The root of the issue is that the video state check in CallLogManager
was incorrect.  Corrected to use the VideoState#isVideo() method which
checks if TX or RX is active for a video state.

Bug: 20066023
Change-Id: Ia1c0648dea7469c91855642c2c68b1b32d3827b1