[gn] Roll gn

Change-Id: I355e729c4bdc270dd157ffde8b15cab845e95e2b
diff --git a/fuchsia.ensure b/fuchsia.ensure
index a4d94bd..1a4c2cd 100644
--- a/fuchsia.ensure
+++ b/fuchsia.ensure
@@ -13,7 +13,7 @@
 $ResolvedVersions fuchsia.versions
 
 # GN
-gn/gn/${platform} git_revision:edbcffa99515b523ba5aacbb1649db5f44370c9f
+gn/gn/${platform} git_revision:bdb0fd02324b120cacde634a9235405061c8ea06
 
 # vpython
 infra/tools/luci/vpython/${platform} git_revision:9a931a5307c46b16b1c12e01e8239d4a73830b89
diff --git a/fuchsia.versions b/fuchsia.versions
index 920c521..71dc3d1 100644
--- a/fuchsia.versions
+++ b/fuchsia.versions
@@ -58,12 +58,12 @@
 	1dab9f74af2bee9727594a65fca29498e56b7ed2
 
 gn/gn/linux-amd64
-	git_revision:edbcffa99515b523ba5aacbb1649db5f44370c9f
-	7gNvGc6BhbxKraGuDC7N3C5a_upkU-pFujZCC1YlgQ4C
+	git_revision:bdb0fd02324b120cacde634a9235405061c8ea06
+	0uGjKAZkJXPZjtYktgEwHiNbwsut_qRsk7ZCGGxi82IC
 
 gn/gn/mac-amd64
-	git_revision:edbcffa99515b523ba5aacbb1649db5f44370c9f
-	Wu80hXWrEjm5xRPBGeJCkS4W-JYlfypn48BDU7Mkrb0C
+	git_revision:bdb0fd02324b120cacde634a9235405061c8ea06
+	rN2F641yR4Bj-H1q8OwC_RiqRpUYxy3hryzRfPER9wcC
 
 infra/cmake/linux-amd64
 	version:3.10.0