To debug raw input event

frameworks/base/services/input/InputReader.cpp

// Log debug messages for each raw event received from the EventHub.#define DEBUG_RAW_EVENTS 1
// Log debug messages about touch screen filtering hacks.#define DEBUG_HACKS 1
// Log debug messages about virtual key processing.#define DEBUG_VIRTUAL_KEYS 1
// Log debug messages about pointers.#define DEBUG_POINTERS 1
// Log debug messages about pointer assignment calculations.#define DEBUG_POINTER_ASSIGNMENT 1
// Log debug messages about gesture detection.#define DEBUG_GESTURES 1