FWB: added screenshot delete action in notifications

allows deleting a screenshot from the notification
inspired from CarbonRom - initial from CM I guess

AICPfy:
brought in from KK

Change-Id: I67b7b9a7808ddb8c54ea4f3a45aad6d44833e1df
SettingsProvider: Update icon.

Change-Id: I9e1b540e0268643371dd95593eaefa63d4a1827d