Automated rollback of commit e956466.

*** Reason for rollback ***

Roll forward with changes to allow us to disable REPO.bazel in Blaze while keeping the new feature in Bazel.

Fixes bazelbuild/bazel#18077

(cherry picked from commit ec20e61)

third_party/bazel/src/main/protobuf/failure_details.proto

@@ -1245,6 +1245,7 @@ message PackageLoading {
     BUILTINS_INJECTION_FAILURE = 29 [(metadata) = { exit_code: 1 }];
     SYMLINK_CYCLE_OR_INFINITE_EXPANSION = 30 [(metadata) = { exit_code: 1 }];
     OTHER_IO_EXCEPTION = 31 [(metadata) = { exit_code: 36 }];
+    BAD_REPO_FILE = 32 [(metadata) = { exit_code: 1 }];
   }
 
   Code code = 1;