SystemUI: Silence verbose NetworkController logging

Change-Id: I2f9ef2804b83d31fe6745e1db4ed9b905d83cb56
Settings: Forward Port Volume Long Press Skip Tracks (1/2)

Bring Forward Volume Rocker Track Change

Requires Settings Change
http://review.cyanogenmod.org/#/c/82222/

Change-Id: I70b00e08fe48707110725dd1daa56b1e48d15a03
Merge remote-tracking branch 'upstream/cm-12.0' into cm-12.0