Advertise java Skylark provider from java proto aspects.

The skylark provider is bound as "proto_java" to avoid collisions with the base, which is called "java".

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PiperOrigin-RevId: 143960605
MOS_MIGRATED_REVID=143960605
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredAspect.java b/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredAspect.java
index ff90a87..8339c8a 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredAspect.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredAspect.java
@@ -178,6 +178,12 @@
       return this;
     }
 
+    public Builder addSkylarkTransitiveInfo(String name, Object value) {
+      SkylarkProviderValidationUtil.checkSkylarkObjectSafe(value);
+      skylarkProviderBuilder.put(name, value);
+      return this;
+    }
+
     public Builder addSkylarkTransitiveInfo(String name, Object value, Location loc)
         throws EvalException {
       SkylarkProviderValidationUtil.validateAndThrowEvalException(name, value, loc);