unwrap LogExceptionRunnable (#7933)

Author: richardstartin

dd-java-agent/instrumentation/java-concurrent/src/main/java/datadog/trace/instrumentation/java/concurrent/TaskUnwrappingInstrumentation.java

@@ -64,6 +64,8 @@ public boolean isEnabled() {
     "val$c",
     "io.grpc.netty.WriteQueue$RunnableCommand",
     "runnable",
+    "io.grpc.internal.LogExceptionRunnable",
+    "task",
     "akka.dispatch.TaskInvocation",
     "runnable",
     "scala.concurrent.impl.CallbackRunnable",