Use MWLogger logging for wfLogProfilingData

Output structured profiling report data from wfLogProfilingData using
MWLogger.

Requires Ie667944, I5c82299, and I1e5596d.

Change-Id: Iae11e1e4fe970ada74136f0e969dc624c586ce17
wfDebugLog(): remove unused global

Change-Id: I336b022c7c87550729ca4e97b0960ba6adec7bb5
Merge "Use MWLogger logging for wfLogProfilingData"
Merge "wfDebugLog(): remove unused global"