Bring back InputDispatcher crash for inconsistent a11y hover streams.

Fix: 299977100
Test: atest InputDispatcherTest
Change-Id: I3c74cadb2bae1138b3a1a7c0d37be9210ccc5c70
diff --git a/libs/input/input_flags.aconfig b/libs/input/input_flags.aconfig
index e8575a6..6302ff5 100644
--- a/libs/input/input_flags.aconfig
+++ b/libs/input/input_flags.aconfig
@@ -34,3 +34,10 @@
   description: "Set to true to enable multi-device input: touch and stylus can be active at the same time, but in different windows"
   bug: "211379801"
 }
+
+flag {
+  name: "a11y_crash_on_inconsistent_event_stream"
+  namespace: "accessibility"
+  description: "Brings back fatal logging for inconsistent event streams originating from accessibility."
+  bug: "299977100"
+}