InputDispatcher_test: Verify all traced events match exactly

Bug: 210460522
Test: atest inputflinger_tests
Change-Id: I2ab660ed0a6888c23bc711fb8494385c22b3c404
diff --git a/include/input/Input.h b/include/input/Input.h
index 7b253a5..a84dcfc 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -180,7 +180,8 @@
  * Declare a concrete type for the NDK's input event forward declaration.
  */
 struct AInputEvent {
-    virtual ~AInputEvent() { }
+    virtual ~AInputEvent() {}
+    bool operator==(const AInputEvent&) const = default;
 };
 
 /*
@@ -545,6 +546,8 @@
 
     static int32_t nextId();
 
+    bool operator==(const InputEvent&) const = default;
+
 protected:
     void initialize(int32_t id, DeviceId deviceId, uint32_t source, int32_t displayId,
                     std::array<uint8_t, 32> hmac);
@@ -598,6 +601,8 @@
 
     static const char* actionToString(int32_t action);
 
+    bool operator==(const KeyEvent&) const = default;
+
 protected:
     int32_t mAction;
     int32_t mFlags;
@@ -917,6 +922,9 @@
     // The rounding precision for transformed motion events.
     static constexpr float ROUNDING_PRECISION = 0.001f;
 
+    bool operator==(const MotionEvent&) const;
+    inline bool operator!=(const MotionEvent& o) const { return !(*this == o); };
+
 protected:
     int32_t mAction;
     int32_t mActionButton;