Log touchpad hardware states when flag is set

Bug: 251196347
Test: enable the flag, move a finger on a touchpad, check logs
Change-Id: I37984e8608fca8b40d5427a06a5fe25ec0f2d546
diff --git a/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp b/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp
index ff0c21b..d3af402 100644
--- a/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp
@@ -260,6 +260,7 @@
 
 std::list<NotifyArgs> TouchpadInputMapper::sendHardwareState(nsecs_t when, nsecs_t readTime,
                                                              SelfContainedHardwareState schs) {
+    ALOGD_IF(DEBUG_TOUCHPAD_GESTURES, "New hardware state: %s", schs.state.String().c_str());
     mProcessing = true;
     mGestureInterpreter->PushHardwareState(&schs.state);
     mProcessing = false;