Make the value of the licenses() rule available in Starlark.

This only is useful if licenses is enabled, which it is not by default.

RELNOTES: None
PiperOrigin-RevId: 300430292
diff --git a/src/main/java/com/google/devtools/build/lib/packages/License.java b/src/main/java/com/google/devtools/build/lib/packages/License.java
index a85b393..6f77f8a 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/License.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/License.java
@@ -245,6 +245,6 @@
 
   @Override
   public void repr(Printer printer) {
-    printer.append("<license object>");
+    printer.append(this.toString());
   }
 }
diff --git a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkIntegrationTest.java b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkIntegrationTest.java
index 163e228..774f52e 100644
--- a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkIntegrationTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkIntegrationTest.java
@@ -2882,7 +2882,7 @@
 
     getConfiguredTarget("//test:test");
 
-    assertContainsEvent("<license object>");
+    assertContainsEvent("[none]");
   }
 
   @Test