Add tests for Locked annotations

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

@@ -0,0 +1,41 @@
+class LockedOnStatic<Z> {
+  static class Inner {
+    private static final java.util.concurrent.locks.ReentrantLock LCK = new java.util.concurrent.locks.ReentrantLock();
+    <clinit>() {
+    }
+    Inner() {
+      super();
+    }
+    public @lombok.experimental.Locked("LCK") void foo() {
+      LockedOnStatic.Inner.LCK.lock();
+      try
+        {
+          System.out.println();
+        }
+      finally
+        {
+          LockedOnStatic.Inner.LCK.unlock();
+        }
+    }
+  }
+  class Inner2 {
+    private final java.util.concurrent.locks.ReentrantLock LCK = new java.util.concurrent.locks.ReentrantLock();
+    Inner2() {
+      super();
+    }
+    public @lombok.experimental.Locked("LCK") void foo() {
+      this.LCK.lock();
+      try
+        {
+          System.out.println();
+        }
+      finally
+        {
+          this.LCK.unlock();
+        }
+    }
+  }
+  LockedOnStatic() {
+    super();
+  }
+}