Logging UPs and DOWNs that TAPL injects

Test: presubmit
Bug: 190748682
Change-Id: I82e792724bab178a9c3ca190609af913fbaf4a87
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index c99a81f..0f9761d 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -1248,6 +1248,13 @@
         }
 
         final MotionEvent event = getMotionEvent(downTime, currentTime, action, point.x, point.y);
+        // b/190748682
+        switch (action) {
+            case MotionEvent.ACTION_DOWN:
+            case MotionEvent.ACTION_UP:
+                log("b/190748682: injecting " + event);
+                break;
+        }
         assertTrue("injectInputEvent failed",
                 mInstrumentation.getUiAutomation().injectInputEvent(event, true, false));
         event.recycle();