android-builder is not able to build dev
It looks to me like it contains an outdated SDK:
jar/src/org/qtproject/qt/android/networkinformation/QtAndroidNetworkInformation.java:167: error: cannot find symbol
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R)
^
symbol: variable R
location: class VERSION_CODES
jar/src/org/qtproject/qt/android/networkinformation/QtAndroidNetworkInformation.java:168: error: cannot find symbol
builder = builder.clearCapabilities();
^
symbol: method clearCapabilities()
location: variable builder of type Builder