don't log non-instant app resolutions

for normal web url resolution, we don't want to drop a log entry.
this is likely going to be too verbose [i.e. will drop a log for
every link clicked on in the browser].

Change-Id: I622b7f27ccebc440b837daa420e34c16ec0e2a4d
Fixes: 36563095
Test: Manual; resolve ephemeral links and see logs
Test: Manual; resolve non-ephemeral links and see no logs