Hide GlowPadView warnings

Make message verbose and contingent on DEBUG. This has been spamming
my logs everytime I touch navbar or lockscreen targets.

Change-Id: Iea1a6db86055d4034405f0ee4e20282b6c493210
Merge "Hide GlowPadView warnings" into cm-10.2
Merge remote-tracking branch 'upstream/cm-10.2' into cm-10.2