Breathing SMS Notification

This will give your SMS notifications a breathing effect in the statusbar instead of being a static icon.

Icon Credits: @Kroz

Change-Id: I67614713fbeec8ac77e933f29b8ee6e1a5f46162

Conflicts:
	res/xml/preferences.xml
MMS: breathing SMS notifictions: add icons for xxhdpi and mdpi & add missing sequence in breathing animation

Change-Id: I90651f050f7fcae2a7ee8b4c855b3969165fdf34