Replace some uses of StaticTypeAnalyzer2TestShared.

R=brianwilkerson@google.com

Change-Id: Ic3ea45d3e894b3991593a2a349909bf289743e93
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/174489
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>

https://dart.googlesource.com/sdk/+/6c6dba54bd9e9f90beeac1392f61cac2ce2b3701
diff --git a/commits.json b/commits.json
index a5a0ecb..873cf35 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"a4ce848dfb6fb002544494e762f53a826830cc1d",
   "external/github.com/flutter/flutter":"a7f5fd5360007518644597c60a1f2169eacccc2b",
-  "sdk":"7c5df72b274a745eff8386e33c32c0fbfa25609f"
+  "sdk":"6c6dba54bd9e9f90beeac1392f61cac2ce2b3701"
 }
\ No newline at end of file