Three changes: @AutoCodec some GlobalFrames I saw in test debugging; roll back unused unknown commit;

PiperOrigin-RevId: 209138584
diff --git a/src/main/java/com/google/devtools/build/lib/syntax/Environment.java b/src/main/java/com/google/devtools/build/lib/syntax/Environment.java
index 3f752df..e32b545 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/Environment.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/Environment.java
@@ -1337,13 +1337,12 @@
   }
 
   /** A read-only {@link Environment.GlobalFrame} with False/True/None constants only. */
-  static final GlobalFrame CONSTANTS_ONLY = createConstantsGlobals();
+  @AutoCodec static final GlobalFrame CONSTANTS_ONLY = createConstantsGlobals();
 
   /**
-   * A read-only {@link Environment.GlobalFrame} with initial globals as defined in
-   * MethodLibrary.
+   * A read-only {@link Environment.GlobalFrame} with initial globals as defined in MethodLibrary.
    */
-  public static final GlobalFrame DEFAULT_GLOBALS = createDefaultGlobals();
+  @AutoCodec public static final GlobalFrame DEFAULT_GLOBALS = createDefaultGlobals();
 
   /** To be removed when all call-sites are updated. */
   public static final GlobalFrame SKYLARK = DEFAULT_GLOBALS;