Bug 1845354 - Refactor ApkSizeTask into a plugin using composite build

app/build.gradle

@@ -1,5 +1,4 @@
 import org.apache.tools.ant.util.StringUtils
-import org.mozilla.fenix.gradle.tasks.ApkSizeTask
 
 plugins {
     id "com.jetbrains.python.envs" version "$python_envs_plugin"

buildSrc/build.gradle

@@ -17,7 +17,3 @@ repositories {
         mavenCentral()
     }
 }
-
-dependencies {
-    implementation "org.json:json:20210307"
-}

plugins/apksize/build.gradle

@@ -0,0 +1,30 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+plugins {
+    id "org.gradle.kotlin.kotlin-dsl" version "2.4.1"
+}
+
+repositories {
+    if (project.hasProperty("centralRepo")) {
+        maven {
+            name "MavenCentral"
+            url project.property("centralRepo")
+            allowInsecureProtocol true // Local Nexus in CI uses HTTP
+        }
+    } else {
+        mavenCentral()
+    }
+}
+
+dependencies {
+    implementation "org.json:json:20210307"
+}
+
+gradlePlugin {
+    plugins.register("ApkSizePlugin") {
+        id = "ApkSizePlugin"
+        implementationClass = "ApkSizePlugin"
+    }
+}

plugins/apksize/settings.gradle

@@ -0,0 +1,5 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Prevents gradle builds from looking for a root settings.gradle

plugins/apksize/src/main/java/ApkSizePlugin.kt

@@ -2,9 +2,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-package org.mozilla.fenix.gradle.tasks
-
 import org.gradle.api.DefaultTask
+import org.gradle.api.Plugin
+import org.gradle.api.initialization.Settings
 import org.gradle.api.tasks.Input
 import org.gradle.api.tasks.TaskAction
 import org.json.JSONArray
@@ -14,6 +14,10 @@ import java.io.File
 import java.nio.file.Files
 import java.nio.file.Paths
 
+class ApkSizePlugin : Plugin<Settings> {
+    override fun apply(settings: Settings) = Unit
+}
+
 /**
  * Gradle task for determining the size of APKs and logging them in a perfherder compatible format.
  */

settings.gradle

@@ -6,10 +6,12 @@ pluginManagement {
     includeBuild("../android-components/plugins/publicsuffixlist")
     includeBuild("../android-components/plugins/dependencies")
     includeBuild("../android-components/plugins/config")
+    includeBuild("./plugins/apksize")
     includeBuild("./plugins/fenixdependencies")
 }
 
 plugins {
+    id 'ApkSizePlugin'
     id 'FenixDependenciesPlugin'
     id "mozac.ConfigPlugin"
     id 'mozac.DependenciesPlugin'