[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-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>() {