analytics: Collect less data about controllers.

The name field can contain personal information, particularly in the
case of bluetooth devices on OSX which get configured with the user's
full name.

Source/Core/Core/Analytics.cpp

@@ -247,12 +247,10 @@ void DolphinAnalytics::MakePerGameBuilder()
 	builder.AddData("movie", Movie::IsMovieActive());
 
 	// Controller information
+	// We grab enough to tell what percentage of our users are playing with keyboard/mouse, some kind of gamepad
+	// or the official gamecube adapter.
 	builder.AddData("gcadapter-detected", GCAdapter::IsDetected());
-
-	// For privacy reasons, limit this to type of the first controller.
-	// The ControllersNeedToBeCreated() check is enough to ensure GetController(0) won't return nullptr or throw exceptions.
-	if (!Pad::GetConfig()->ControllersNeedToBeCreated())
-		builder.AddData("controller-type", Pad::GetConfig()->GetController(0)->default_device.name);
+	builder.AddData("has-controller", Pad::GetConfig()->IsControllerControlledByGamepadDevice(0) || GCAdapter::IsDetected());
 
 	m_per_game_builder = builder;
 }

Source/Core/InputCommon/InputConfig.cpp

@@ -117,3 +117,17 @@ bool InputConfig::ControllersNeedToBeCreated() const
 {
 	return m_controllers.empty();
 }
+
+bool InputConfig::IsControllerControlledByGamepadDevice(int index) const
+{
+	if (static_cast<size_t>(index) >= m_controllers.size())
+		return false;
+
+	const auto& controller = m_controllers.at(index).get()->default_device;
+
+	// Filter out anything which obviously not a gamepad
+	return !((controller.source == "Keyboard") // OSX Keyboard/Mouse
+		|| (controller.source == "XInput2") // Linux and BSD Keyboard/Mouse
+		|| (controller.source == "Android" && controller.name == "Touchscreen") // Android Touchscreen
+		|| (controller.source == "DInput" && controller.name == "Keyboard Mouse")); // Windows Keyboard/Mouse
+}

Source/Core/InputCommon/InputConfig.h

@@ -31,6 +31,7 @@ public:
 	ControllerEmu* GetController(int index);
 	void ClearControllers();
 	bool ControllersNeedToBeCreated() const;
+	bool IsControllerControlledByGamepadDevice(int index) const;
 
 	std::string GetGUIName() const { return m_gui_name; }
 	std::string GetProfileName() const { return m_profile_name; }