Changes

• specify the -module-name for kotlin to fix un-expected META-INF conflicts
  • FIX #2481
• enable MultiDex
  • FIX #2479
• update to kotlin 1.3.50
• update gradle build tools
• update iconics and fastadapter, aboutlibraries
• update material components and recyclerView, multidex, drawerlayout
• improve persistent DrawerActivity
• simplify FullscreenActivity sample