Flip --incompatible_objc_linking_info_migration back for now

Fixes our builds with `last_green` bazel.

bazelbuild/bazel@7b4acfe

.bazelrc

@@ -4,8 +4,10 @@
 # https://github.com/bazelbuild/stardoc/issues/112
 common --incompatible_allow_tags_propagation
 
-# TODO: Fix cases that relied on the old behavior and remove this flag.
+# TODO: Fix cases that relied on the old behavior and remove these flags.
 common --incompatible_unambiguous_label_stringification=false
+# https://github.com/bazelbuild/bazel/issues/16939
+test --incompatible_objc_linking_info_migration=false
 
 # Add the PATH to the test environment so that common macOS tools can be found
 # during a test run.