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 pull request #10 from CyanogenMod/cm-11.0

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