Update prebuilts

We really want the new version of lucicfg to fix the attached bug,
but may as well update everything.

Bug: chromium:1015963
Change-Id: I289cb17942990d3b06c057d401f1ef08f43a9430
diff --git a/cipd.ensure b/cipd.ensure
index 0a4625a..556c459 100644
--- a/cipd.ensure
+++ b/cipd.ensure
@@ -12,31 +12,31 @@
 @Subdir tools
 
 # Buildbucket CLI
-infra/tools/bb/${platform} git_revision:2155d0d436bf346333810cc352791063e1dda952
+infra/tools/bb/${platform} git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # Gerrit CLI
-infra/tools/luci/gerrit/${platform} git_revision:2155d0d436bf346333810cc352791063e1dda952
+infra/tools/luci/gerrit/${platform} git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # Isolated
-infra/tools/luci/isolated/${platform} git_revision:2155d0d436bf346333810cc352791063e1dda952
+infra/tools/luci/isolated/${platform} git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # LUCI editor
-infra/tools/luci/led/${platform} git_revision:dd18cbd33cd937377b79dde876265ea0c1d54273
+infra/tools/luci/led/${platform} git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # LogDog CLI client
-infra/tools/luci/logdog/logdog/${platform} git_revision:2155d0d436bf346333810cc352791063e1dda952
+infra/tools/luci/logdog/logdog/${platform} git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # LUCI auth tool
-infra/tools/luci-auth/${platform} git_revision:2155d0d436bf346333810cc352791063e1dda952
+infra/tools/luci-auth/${platform} git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # Lucicfg tool
-infra/tools/luci/lucicfg/${platform}  git_revision:2155d0d436bf346333810cc352791063e1dda952
+infra/tools/luci/lucicfg/${platform}  git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # vpython
-infra/tools/luci/vpython/${platform} git_revision:2155d0d436bf346333810cc352791063e1dda952
+infra/tools/luci/vpython/${platform} git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # preview_email
-infra/tools/preview_email/${platform}  git_revision:2155d0d436bf346333810cc352791063e1dda952
+infra/tools/preview_email/${platform}  git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # YAPF
 # Keep in sync with tricium-recipes builder properties.