Add lazy `friendClasspathEntries` to KotlinCompile
Set `friendClasspathEntries` in the Android25Pro
Change to AGP 3.0.0-alpha1;
(cherry picked from commit 1d6dd5c)
(cherry picked from commit 6cdf501)
* Generalized tasks wiring
* Moved the old implementation to LegacyAndroidAndroidProjectHandler.kt
* Added an implementation with the new AGP API
(cherry picked from commit 1b4592d)
(cherry picked from commit 50a75d4)
* Add a separate Gradle source set, that is compiled against the new
versions of AGP and Gradle
* Separate the public AGP API usages from the old internal API usages
in KotlinPlugin.kt -- see AbstractAndroidProjectHandler
* Implement Android25ProjectHandler with the new AGP API, wired it
to KotlinAndroidPlugin through reflection
(cherry picked from commit e6dbf54)
(cherry picked from commit 88e3d4b)
* Fix Java not compiled in kotlin-gradle-plugin Kotlin source set
* Fix the integration tests running under Java 6
* Fix kotlin-gradle-subplugin-example not being installed -- needed
for a test
* Fix Android tests being always excluded
* Move versions out of `build.gradle` (x2) to a common `versions.gradle`
* Move JDK, dist and bootstrap to `commonConfiguration.gradle`
* Build `kotlin-gradle-plugin` with JDK_18
* Add gradle-tools subproject
* Add Gradle buildscripts to the related projects
* Remove the projects from the libraries pom.xml
* Move AndroidGradleWrapper.groovy to separate source root
* Changed artifact dependencies to project dependencies where needed
* Extract common configuration into commonConfiguration.gradle
* (convert functions to closures to be able to call them)
* Refactor DSL usage
* Replace `project.properties` with `findProperty`
* Unify Gradle wrapper between `libraries` and `gradle-tools`
(as a temporary solution, just made the wrapper files the same)