Add SemVer version number to main android artifact

artifacts-library.gradle

android.libraryVariants.all { variant ->
    def appName
    if (project.hasProperty("applicationName")) {
        appName = applicationName
    } else {
        appName = parent.name
    }

    variant.outputs.each { output ->
        def newApkName = "${appName}-${output.baseName}-${version}.aar"
        output.outputFile = new File(output.outputFile.parent, newApkName)
    }
}

artifacts.gradle

android.applicationVariants.all { variant ->
    def appName
    if (project.hasProperty("applicationName")) {
        appName = applicationName
    } else {
        appName = parent.name
    }

    variant.outputs.each { output ->
        def newApkName
        if (output.zipAlign) {
            newApkName = "${appName}-${output.baseName}-${variant.versionName}.apk"
        } else {
            newApkName = "${appName}-${output.baseName}-${variant.versionName}-unaligned.apk"
        }
        output.outputFile = new File(output.outputFile.parent, newApkName)
    }
}

build.gradle

apply from: "../artifacts.gradle"

ext.applicationName="MyAwesomeApplication"

group = "com.awesome"
version = "1.2.3"