MSimNetworkController: disable log spew

Some logging statements are not properly guarded leading to logcat
flood every few seconds.

Change-Id: I2a34b21d23891a3506f7024c464eb2ddf273e715
Merge "MSimNetworkController: disable log spew" into cm-11.0
Merge remote-tracking branch 'upstream/cm-11.0' into ronmod-3