That appears to be the culprit: Program.Main: ERROR: Exception in UnrealBuildTool: ERROR: ant.bat failed [/c “C:\NVPACK\apache-ant-1.8.2/bin/ant.bat” release]
Did you install the Android SDK correctly? (https://docs.unrealengine.com/latest/INT/Platforms/Android/GettingStarted/1/index.html)