[vpython] Bump version.

Bump "vpython" verison to: d147cd8b9062f3699759612ef96c4fe4bd49f87d

TBR=iannucci@chromium.org
BUG=None
TEST=canary
- Version successfully runs on Chromium canary builders.

Change-Id: I23750860261378157db72aaa59cb19c2911e6dd1
Reviewed-on: https://chromium-review.googlesource.com/537896
Reviewed-by: Daniel Jacques <dnj@chromium.org>
Commit-Queue: Daniel Jacques <dnj@chromium.org>

cipd_manifest.txt

@@ -3,7 +3,7 @@
 # found in the LICENSE file.
 
 # vpython.
-infra/tools/luci/vpython/${platform}  git_revision:cea2b0eb174d6d8e6b628020e3986cb251ea2d97
+infra/tools/luci/vpython/${platform}  git_revision:d147cd8b9062f3699759612ef96c4fe4bd49f87d
 
 # LUCI editor
 infra/tools/luci/led/${platform}  git_revision:a3890a6e0b276b35d734b13a82b164dd7fd8f2b5