Roll gn from ebc8f16ca7b0 to afd24ed11bc5

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https://autoroll.skia.org/r/gn-dart-sdk
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Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try;luci.dart.try:dart-sdk-mac-try;luci.dart.try:dart-sdk-mac-arm64-try;luci.dart.try:dart-sdk-win-try
Change-Id: I3a67146bb0832bd82ba0673335fb94661c9209a0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/431946
Reviewed-by: Brian Quinlan <[email protected]>
Reviewed-by: Alexander Aprelev <[email protected]>
Commit-Queue: Brian Quinlan <[email protected]>

Author: DEPS Autoroller

DEPS

@@ -78,7 +78,7 @@ vars = {
   "clang_version": "git_revision:8c7a2ce01a77c96028fe2c8566f65c45ad9408d3",
 
   # https://chrome-infra-packages.appspot.com/p/gn/gn
-  "gn_version": "git_revision:ebc8f16ca7b0d36a3e532ee90896f9eb48e5423b",
+  "gn_version": "git_revision:afd24ed11bc5fbef775a3ffe46c72e6bdca0fa60",
 
   "reclient_version": "re_client_version:0.178.0.5ee9d3e8-gomaip",
   "download_reclient": True,