PII info logging cleanup in CallsManager

A BR showed that some PII was being logged in
CallsManager#onCallRedirectionComplete
After examination, it looks like the handle var did not
have a Log.pii(Object) wrapper.

bug: 189354214
Test: none
Change-Id: I4e94e0d33bbaceedfec88c3a2c6b1f4c50f101d9