Updated for gradle/

Author: sarahchen6

gradle/jacoco.gradle

@@ -52,7 +52,7 @@ afterEvaluate {
     }
   }
 
-  jacocoTestCoverageVerification {
+  tasks.named("jacocoTestCoverageVerification") {
     violationRules {
       rule {
         element = 'CLASS'

gradle/java_no_deps.gradle

@@ -58,7 +58,7 @@ if (project.hasProperty('minJavaVersionForTests') && project.getProperty('minJav
     }
   }
 
-  "compileMain_${name}Java" {
+  tasks.named("compileMain_${name}Java") {
     sourceCompatibility = version
     targetCompatibility = version
   }
@@ -74,7 +74,7 @@ if (project.hasProperty('minJavaVersionForTests') && project.getProperty('minJav
     }
   }
 
-  jar {
+  tasks.named("jar") {
     from sourceSets."main_$name".output
   }
 
@@ -98,7 +98,7 @@ java {
   withSourcesJar()
 }
 
-jar {
+tasks.named("jar") {
   /**
    Make Jar build fail on duplicate files
    By default Gradle Jar task can put multiple files with the same name
@@ -136,7 +136,7 @@ tasks.withType(Javadoc).configureEach {
   }
 }
 
-javadoc {
+tasks.named("javadoc") {
   source = sourceSets.main.java.srcDirs
   classpath = configurations.compileClasspath