Increment DATA_VERSION after Feature changes.

https://dart-review.googlesource.com/c/sdk/+/216801

Change-Id: I1904b6f0b37b7dbca1628acd23d352ea9cc49159
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/216880
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
diff --git a/pkg/analyzer/lib/src/dart/analysis/driver.dart b/pkg/analyzer/lib/src/dart/analysis/driver.dart
index 3540b01..4d344ed 100644
--- a/pkg/analyzer/lib/src/dart/analysis/driver.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/driver.dart
@@ -80,7 +80,7 @@
 /// TODO(scheglov) Clean up the list of implicitly analyzed files.
 class AnalysisDriver implements AnalysisDriverGeneric {
   /// The version of data format, should be incremented on every format change.
-  static const int DATA_VERSION = 187;
+  static const int DATA_VERSION = 188;
 
   /// The number of exception contexts allowed to write. Once this field is
   /// zero, we stop writing any new exception contexts in this process.