Use more inclusive language

R=gavinmak@google.com

Bug: 1118441
Change-Id: If506a65438f7acaa117085d3f611522727cac99c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3360905
Auto-Submit: Josip Sokcevic <sokcevic@google.com>
Reviewed-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Gavin Mak <gavinmak@google.com>

recipes/recipe_modules/gclient/config.py

@@ -79,7 +79,7 @@ def BaseConfig(USE_MIRROR=True, CACHE_DIR=None,
     #  - if revision is given, it's passed verbatim to bot_update for
     #    corresponding dependency. Otherwise (i.e. None), the patch will be
     #    applied on top of version pinned in DEPS.
-    # This is essentially a whitelist of which repos inside a solution
+    # This is essentially a allowlist of which repos inside a solution
     # can be patched automatically by bot_update based on
     # api.buildbucket.build.input.gerrit_changes[0].project
     # For example, if bare chromium solution has this entry in repo_path_map