Apply the apple crosstool transition to j2objc_library.

--
PiperOrigin-RevId: 149460936
MOS_MIGRATED_REVID=149460936

src/main/java/com/google/devtools/build/lib/rules/objc/J2ObjcLibraryRule.java

diff --git a/src/main/java/com/google/devtools/build/lib/rules/objc/J2ObjcLibraryRule.java b/src/main/java/com/google/devtools/build/lib/rules/objc/J2ObjcLibraryRule.java
index 416e714..d2dcd3f 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/objc/J2ObjcLibraryRule.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/objc/J2ObjcLibraryRule.java
@@ -71,6 +71,7 @@
                 .direct_compile_time_input()
                 .allowedRuleClasses("j2objc_library", "java_library", "java_import")
                 .allowedFileTypes())
+        .cfg(AppleCrosstoolTransition.APPLE_CROSSTOOL_TRANSITION)
         .build();
   }