[fxbug.dev] Migrate bug numbers

This changes fxbug.dev/ URLs from Monorail bug numbers to the new
Fuchsia Issue Tracker numbers.

The migration to the new issue tracker was announced here:
https://groups.google.com/a/fuchsia.dev/g/announce/c/GOYfJozEqmk/m/qsGsaJ7UAAAJ

Bug: 298074672
Change-Id: Ie6e44df0fd641eedd95b7322b4649ed525db8e3d
Reviewed-on: https://fuchsia-review.googlesource.com/c/libc-tests/+/980892
Fuchsia-Auto-Submit: Mitchell Kember <mkember@google.com>
Reviewed-by: Roland McGrath <mcgrathr@google.com>
Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
diff --git a/third_party/nacl-ported-tests/threads/BUILD.gn b/third_party/nacl-ported-tests/threads/BUILD.gn
index 07f2d69..43827db 100644
--- a/third_party/nacl-ported-tests/threads/BUILD.gn
+++ b/third_party/nacl-ported-tests/threads/BUILD.gn
@@ -28,7 +28,7 @@
     "//third_party/googletest:gtest",
   ]
 
-  # TODO(fxbug.dev/58162): delete the below and fix compiler warnings
+  # TODO(fxbug.dev/42136089): delete the below and fix compiler warnings
   configs += [ "//build/config:Wno-conversion" ]
 }
 
diff --git a/third_party/nacl-ported-tests/tls/BUILD.gn b/third_party/nacl-ported-tests/tls/BUILD.gn
index f80b57b..f5b1e04 100644
--- a/third_party/nacl-ported-tests/tls/BUILD.gn
+++ b/third_party/nacl-ported-tests/tls/BUILD.gn
@@ -42,7 +42,7 @@
     "TBSS_LARGE_ALIGN",
   ],
 
-  # TODO(fxbug.dev/4131): Enable this when runtests runs packages correctly.
+  # TODO(fxbug.dev/42117379): Enable this when runtests runs packages correctly.
   # [
   #   "ExternLargeAlign",
   #   "EXTERN_LARGE_ALIGN"