Tweak a DPI string

Change-Id: I9e4882d08ddd78f425c440f0d9fbaa532021f88f
Active Display: ability to hide low priority notifications

ported from chameleon OS

ps2: fix copy/pasta

Change-Id: I499a583023187efcefb9d0d6771e20631356cc44
Merge "Tweak a DPI string" into jb43