Only show ART information if switching from dalvik to ART

We do not want to confuse users with a big information dialog, if
they change from ART to dalvik as dalvik is still the official
solution, supported and considered safe.

Change-Id: I0ce4846e0bb751e87e5c410e668d4bc521380141
Add option for switching between UMS and MTP/PTP mode: fix up
Settings: less notifications sound (2/2)

add back the 4.3 feature like it was.
User can setup how often notification sound
for an app comes through so that
it does not annoy to much

Thanks to @kufikugel
Notification and Battery light clean up

also added support for devices without multi-color LED
remove xposed and app settings