Adopt configuration-avoidance where possible

Before this change `./gradlew help` (with native enabled)
Created immediately: 1322
Created during configuration: 1541

after this change:
Created immediately: 596
Created during configuration: 1509

To know more about configuration avoidance: https://docs.gradle.org/current/userguide/task_configuration_avoidance.html

libraries/stdlib/js-v1/build.gradle

@@ -71,7 +71,7 @@ dependencies {
     testApi project(':kotlin-test:kotlin-test-js')
 }
 
-task prepareComparableSource(type: Copy) {
+tasks.register("prepareComparableSource", Copy) {
     def fs = services.get(FileSystemOperations)
     doFirst {
         fs.delete {
@@ -84,7 +84,7 @@ task prepareComparableSource(type: Copy) {
     into builtinsSrcDir2
 }
 
-task prepareBuiltinsSources(type: Copy) {
+tasks.register("prepareBuiltinsSources", Copy) {
     def fs = services.get(FileSystemOperations)
     doFirst {
         fs.delete {
@@ -153,7 +153,7 @@ compileTestKotlin2Js {
     }
 }
 
-task compileJs(type: NoDebugJavaExec) {
+tasks.register("compileJs", NoDebugJavaExec) {
     dependsOn compileBuiltinsKotlin2Js, compileKotlin2Js
     inputs.files(compileBuiltinsKotlin2Js.outputs.files).withPathSensitivity(PathSensitivity.RELATIVE)
     inputs.files(compileKotlin2Js.outputs.files).withPathSensitivity(PathSensitivity.RELATIVE)
@@ -246,7 +246,8 @@ jar {
     enabled false
 }
 
-task libraryJarWithoutIr(type: Jar, dependsOn: compileJs) {
+tasks.register("libraryJarWithoutIr", Jar) {
+    dependsOn(compileJs)
     archiveClassifier = null
     manifestAttributes(manifest, project, 'Main')
     destinationDirectory = file("$buildDir/lib/dist")
@@ -267,7 +268,8 @@ task libraryJarWithoutIr(type: Jar, dependsOn: compileJs) {
     filesMatching("*.*") { it.mode = 0b110100100 } // KTI-401
 }
 
-task libraryJarWithIr(type: Zip, dependsOn: libraryJarWithoutIr) {
+tasks.register("libraryJarWithIr", Zip) {
+    dependsOn(libraryJarWithoutIr)
     archiveExtension = "jar"
     destinationDirectory = file("$buildDir/libs")
 
@@ -285,7 +287,8 @@ task libraryJarWithIr(type: Zip, dependsOn: libraryJarWithoutIr) {
 
 jar.dependsOn(libraryJarWithIr)
 
-task sourcesJar(type: Jar, dependsOn: compileJs) {
+tasks.register("sourcesJar", Jar) {
+    dependsOn(compileJs)
     dependsOn(":kotlin-stdlib-js-ir:sourcesJar")
     archiveClassifier.set('sources')
     includeEmptyDirs false
@@ -298,7 +301,7 @@ task sourcesJar(type: Jar, dependsOn: compileJs) {
     }
 }
 
-task distSourcesJar(type: Jar) {
+tasks.register("distSourcesJar", Jar) {
     dependsOn(sourcesJar, configurations.commonSources)
     destinationDirectory = file("$buildDir/lib/dist")
     archiveClassifier.set('sources')
@@ -331,19 +334,22 @@ node {
 }
 
 // Otherwise Node ignores nodeModulesDir
-task deleteLegacyNodeModules(type: Delete) {
+tasks.register("deleteLegacyNodeModules", Delete) {
     delete "$projectDir/node_modules"
 }
 
-task installMocha(type: NpmTask, dependsOn: [deleteLegacyNodeModules]) {
+tasks.register("installMocha", NpmTask) {
+    dependsOn(deleteLegacyNodeModules)
     args = ['install', 'mocha@8.0.1']
 }
 
-task installTeamcityReporter(type: NpmTask, dependsOn: [deleteLegacyNodeModules]) {
+tasks.register("installTeamcityReporter", NpmTask) {
+    dependsOn(deleteLegacyNodeModules)
     args = ['install', 'mocha-teamcity-reporter@3.0.0']
 }
 
-task runMocha(type: NodeTask, dependsOn: [testClasses, installMocha, ':kotlin-test:kotlin-test-js:testClasses']) {
+tasks.register("runMocha", NodeTask) {
+    dependsOn(testClasses, installMocha, ':kotlin-test:kotlin-test-js:testClasses')
     script = file("${buildDir}/node_modules/mocha/bin/mocha")
 
     if (project.hasProperty("teamcity")) {

libraries/stdlib/jvm/build.gradle

@@ -224,7 +224,8 @@ compileLongRunningTestKotlin {
 
 configureFrontendIr(project)
 
-task longRunningTest(type: Test, dependsOn: longRunningTestClasses) {
+tasks.register("longRunningTest", Test) {
+    dependsOn(longRunningTestClasses)
     group = "verification"
     testClassesDirs = sourceSets.longRunningTest.output.classesDirs
     classpath = sourceSets.longRunningTest.runtimeClasspath