Flip --incompatible_disable_objc_library_transition

RELNOTES[INC]: transition is removed from objc_library (bazelbuild#19688)

PiperOrigin-RevId: 574168995
Change-Id: I535ddaa4ea32b8ccd8ba2e36df349a5df749dc8d

src/main/java/com/google/devtools/build/lib/packages/semantics/BuildLanguageOptions.java

@@ -651,7 +651,7 @@ public final class BuildLanguageOptions extends OptionsBase {
 
   @Option(
       name = "incompatible_disable_objc_library_transition",
-      defaultValue = "false",
+      defaultValue = "true",
       documentationCategory = OptionDocumentationCategory.STARLARK_SEMANTICS,
       effectTags = {OptionEffectTag.BUILD_FILE_SEMANTICS},
       metadataTags = {OptionMetadataTag.INCOMPATIBLE_CHANGE},
@@ -879,7 +879,7 @@ public StarlarkSemantics toStarlarkSemantics() {
   public static final String INCOMPATIBLE_OBJC_PROVIDER_REMOVE_LINKING_INFO =
       "-incompatible_objc_provider_remove_linking_info";
   public static final String INCOMPATIBLE_DISABLE_OBJC_LIBRARY_TRANSITION =
-      "-incompatible_disable_objc_library_transition";
+      "+incompatible_disable_objc_library_transition";
   public static final String INCOMPATIBLE_FAIL_ON_UNKNOWN_ATTRIBUTES =
       "+incompatible_fail_on_unknown_attributes";
   public static final String INCOMPATIBLE_ENABLE_PROTO_TOOLCHAIN_RESOLUTION =