InputTracer: Adjust sensitivity based on IME connection

Based on the trace rules, we can adjust the trace level depending on
when there was an active IME connection when the event processing was
complete.

Bug: 210460522
Test: manual with perfetto
Change-Id: I90587c3004fa05517cf44c4c0b6b5c5c40fc00d1
diff --git a/services/inputflinger/dispatcher/trace/InputTracerInterface.h b/services/inputflinger/dispatcher/trace/InputTracerInterface.h
index 609d10c..af6eefb 100644
--- a/services/inputflinger/dispatcher/trace/InputTracerInterface.h
+++ b/services/inputflinger/dispatcher/trace/InputTracerInterface.h
@@ -103,6 +103,11 @@
      * provided.
      */
     virtual void traceEventDispatch(const DispatchEntry&, const EventTrackerInterface&) = 0;
+
+    /**
+     * Notify that the state of the input method connection changed.
+     */
+    virtual void setInputMethodConnectionIsActive(bool isActive) = 0;
 };
 
 } // namespace android::inputdispatcher::trace