[test] Just cleaning up tests that fail on javac8/6 and ecj.

These tests should fail on j6/8 as they use newer features; the test files lacked proper markings so they weren't being skipped.

test/transform/resource/after-delombok/CheckerFrameworkBuilder.java

@@ -1,3 +1,5 @@
+//version 8:
+//skip-idempotent
 import java.util.List;
 class CheckerFrameworkBuilder {
 	int x;

test/transform/resource/after-delombok/LoggerFloggerRecord.java

@@ -1,5 +1,6 @@
+// version 14:
 class LoggerFloggerRecord {
-	record Inner(String x) {
+	public record Inner(String x) {
 		@java.lang.SuppressWarnings("all")
 		private static final com.google.common.flogger.FluentLogger log = com.google.common.flogger.FluentLogger.forEnclosingClass();
 	}

test/transform/resource/after-delombok/ValInvalidParameter.java

@@ -1,3 +1,4 @@
+//version 7:8
 public class ValInvalidParameter {
 	public void val() {
 		final java.lang.Object a = a(new NonExistingClass());

test/transform/resource/after-ecj/LoggerFloggerRecord.java

@@ -1,6 +1,7 @@
+// version 14:
 import lombok.extern.flogger.Flogger;
 class LoggerFloggerRecord {
-  static @Flogger record Inner(String x) {
+  public static @Flogger record Inner(com log) {
     private static final com.google.common.flogger.FluentLogger log = com.google.common.flogger.FluentLogger.forEnclosingClass();
 /* Implicit */    private final String x;
     <clinit>() {

test/transform/resource/before/LoggerFloggerRecord.java

@@ -4,5 +4,5 @@ import lombok.extern.flogger.Flogger;
 
 class LoggerFloggerRecord {
 	@Flogger
-	record Inner(String x) {}
+	public record Inner(String x) {}
 }

test/transform/resource/before/ValInvalidParameter.java

@@ -1,4 +1,4 @@
-//version :9
+//version 8:9
 import lombok.val;
 
 public class ValInvalidParameter {