[co19] Roll co19 to 8740182c0547c1b26b79a5f96e28a0d5cd27b0c9

2020-11-26 [email protected] #926. Stdout tests that run process fixed for Windows
2020-11-26 [email protected] Typo in the test corrected.

Cq-Include-Trybots: dart/try:vm-kernel-precomp-nnbd-win-release-x64-try
Change-Id: I822e64ff5e3ac46ed1c48419d08b0e0cbb413fc8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/174100
Auto-Submit: Alexander Thomas <[email protected]>
Commit-Queue: William Hesse <[email protected]>
Reviewed-by: William Hesse <[email protected]>

Author: athomas

DEPS

@@ -44,7 +44,7 @@ vars = {
   # co19 is a cipd package. Use update.sh in tests/co19[_2] to update these
   # hashes. It requires access to the dart-build-access group, which EngProd
   # has.
-  "co19_rev": "7a43aa19fb31db657b8b2dac2ed8a8af28889be3",
+  "co19_rev": "8740182c0547c1b26b79a5f96e28a0d5cd27b0c9",
   "co19_2_rev": "e48b3090826cf40b8037648f19d211e8eab1b4b6",
 
   # The internal benchmarks to use. See go/dart-benchmarks-internal