Roll Flutter Engine from 1a79e86 to 8c73fff (2 revisions) (flutter#115302)

engine-flutter-autoroll · gspencergoog · commit 5f1aeef77462 · 2023-01-19T10:59:56.000-08:00
* 9cf107b Revert "Fix wrong `VSYNC` event (flutter#36775)" (flutter/engine#37589) * 8c73fff Fix unexpected masked action (flutter/engine#37584)
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
@@ -1 +1 @@
-1a79e86860361d5be283476d416c16074ca46171
+8c73ffff5b6f8b9eee043fb94d00f28b29b13281
