Binary descriptions:

android-libart: Android Runtime
android-libart-dbgsym: debug symbols for android-libart
dexdump: Displays information about Android DEX files
dexlist: Lists all methods in all concrete classes in Android DEX files
dmtracedump: Generates graphical call-stack diagrams from Android trace logs
dmtracedump-dbgsym: No summary available for dmtracedump-dbgsym in ubuntu cosmic.