Merge changes from topic "revert-21018993-VQPVABITMR"

* changes:
  Revert "Disable new touchpad stack for Sony gamepads"
  Revert "Enable new touchpad stack by default"
diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index 6ac6b5b..9bd50f7 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -209,15 +209,9 @@
 
     // Touchscreens and touchpad devices.
     static const bool ENABLE_TOUCHPAD_GESTURES_LIBRARY =
-            sysprop::InputProperties::enable_touchpad_gestures_library().value_or(true);
-    // TODO(b/246587538): Fix the new touchpad stack for Sony DualShock 4 (5c4, 9cc) and DualSense
-    // (ce6) touchpads, or at least load this setting from the IDC file.
-    const InputDeviceIdentifier& identifier = getDeviceInfo().getIdentifier();
-    const bool isSonyGamepadTouchpad = identifier.vendor == 0x054c &&
-            (identifier.product == 0x05c4 || identifier.product == 0x09cc ||
-             identifier.product == 0x0ce6);
+            sysprop::InputProperties::enable_touchpad_gestures_library().value_or(false);
     if (ENABLE_TOUCHPAD_GESTURES_LIBRARY && classes.test(InputDeviceClass::TOUCHPAD) &&
-        classes.test(InputDeviceClass::TOUCH_MT) && !isSonyGamepadTouchpad) {
+        classes.test(InputDeviceClass::TOUCH_MT)) {
         mappers.push_back(std::make_unique<TouchpadInputMapper>(*contextPtr));
     } else if (classes.test(InputDeviceClass::TOUCH_MT)) {
         mappers.push_back(std::make_unique<MultiTouchInputMapper>(*contextPtr));