Add kafka connect instrumentation

Author: piochelepiotr

dd-java-agent/instrumentation/kafka-connect-0.11/build.gradle

@@ -0,0 +1,37 @@
+muzzle {
+  pass {
+    group = "org.apache.kafka"
+    module = "connect-runtime"
+    versions = "[0.11.0.0,)"
+    assertInverse = true
+  }
+}
+
+apply from: "$rootDir/gradle/java.gradle"
+
+dependencies {
+  compileOnly group: 'org.apache.kafka', name: 'connect-runtime', version: '0.11.0.0'
+
+  testImplementation(testFixtures(project(':dd-java-agent:agent-iast')))
+  testRuntimeOnly project(':dd-java-agent:instrumentation:iast-instrumenter')
+  testRuntimeOnly project(':dd-java-agent:instrumentation:java-lang')
+  testRuntimeOnly project(':dd-java-agent:instrumentation:java-io')
+  testRuntimeOnly project(':dd-java-agent:instrumentation:jackson-core')
+  testRuntimeOnly project(':dd-java-agent:instrumentation:jackson-core:jackson-core-2.8')
+  testImplementation(group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.9.10')
+  testImplementation group: 'org.assertj', name: 'assertj-core', version: '2.9.+'
+  testImplementation group: 'org.mockito', name: 'mockito-core', version: '2.19.0'
+  testImplementation group: 'javax.xml.bind', name: 'jaxb-api', version: '2.2.3'
+  testImplementation 'org.apache.kafka:connect-api:2.7.0'      // Fixed version
+  testImplementation 'org.apache.kafka:connect-runtime:2.7.0'
+  testImplementation 'org.apache.kafka:connect-file:2.7.0'     // For FileStreamSourceConnector
+  testImplementation 'org.apache.kafka:kafka-clients:2.7.0'
+  // Spring Kafka Test library
+  testImplementation 'org.springframework.kafka:spring-kafka-test:2.7.9'  // Version compatible with Kafka 2.7.x
+  testRuntimeOnly project(':dd-java-agent:instrumentation:kafka-clients-0.11')
+}
+
+configurations.testRuntimeClasspath {
+  // spock-core depends on assertj version that is not compatible with kafka-clients
+  resolutionStrategy.force 'org.assertj:assertj-core:2.9.1'
+}