DC: add icons to the menu

icons property of AOSP, KernelTweaker, NamelessRom and flaticon.com

Change-Id: I67b44031f2cd238dfb3f8ea9ac8fe568e2de806d
version: 0.3.3

Change-Id: I732661bf5de8bb6ab64eff73ac5306ee4bdcf0e3