Move breathing SMS into PAC Settings (1/3)

Change-Id: I0b5813c28771ad1c86c3df1753bee7f329180681
Missed Call Breath (2/3)

Credits: @Kroz for the icons and idea!

This will give your Missed Call notifications a breathing effect in the statusbar instead of an static icon.

Change-Id: I8e93a7b99c6e361372fba63a6080cd8283b95046
Last App Toggle (for PIE (1/2))

Change-Id: I0abeffb65ce97cd4513550c36812d74db449087a
Add moar Pie buttons (1/2)

Change-Id: Ie461d1ce537e4ddaa03fa6857eb8c66575b1c9c6
SystemUI: drawables: add missing MDPI icons for PIE app window and killtask and resize HDPI icons

Change-Id: I2d4e12ca8aba6253f1b33d7127ccd4d66cef3894