update some drawables
HOVER: Options to exclude non-clearable and low priority notifications [1/2]

Change-Id: I0563a5a05f697202d11343451c481d8a150717d5

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/notification/Hover.java

 Author:    Schubi <schubi@erlangen.ccc.de>
Merge branch 'stage2' into stage