R8 Shrinker tweaks

r8.md

Gradle task that prints the currently used R8 version

tasks.register("printR8Version") {
  try {
    println("R8 version: ${com.android.tools.r8.Version.getVersionString()}")
  } catch (ignored: Exception) {
    println("R8 version: unknown")
  }
}

All versions and the sourcecode over here: https://r8.googlesource.com/r8/+refs

Overwrite R8 version

Add this to your project build.gradle:

buildscript {
  repositories {
    google()
  }
  dependencies {
    classpath("com.android.tools:r8:2.2.64")
  }
}