Revert "InputMapper refactor: Configure empty InputDevice"

Revert submission 23316821

Reason for revert: breaks touch on some devices b/284203485

Reverted changes: /q/submissionid:23316821

Change-Id: Id957e51b53e48b874302b24b612554f3024aa87b
diff --git a/services/inputflinger/reader/include/InputDevice.h b/services/inputflinger/reader/include/InputDevice.h
index 1729d46..0b8a608 100644
--- a/services/inputflinger/reader/include/InputDevice.h
+++ b/services/inputflinger/reader/include/InputDevice.h
@@ -81,7 +81,7 @@
 
     void dump(std::string& dump, const std::string& eventHubDevStr);
     void addEmptyEventHubDevice(int32_t eventHubId);
-    void populateMappers(int32_t eventHubId, const InputReaderConfiguration& readerConfig);
+    void addEventHubDevice(int32_t eventHubId, const InputReaderConfiguration& readerConfig);
     void removeEventHubDevice(int32_t eventHubId);
     [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
                                                   const InputReaderConfiguration& readerConfig,
@@ -203,7 +203,7 @@
     int32_t getState(uint32_t sourceMask, int32_t code, GetStateFunc getStateFunc);
 
     std::vector<std::unique_ptr<InputMapper>> createMappers(
-            InputDeviceContext& context, const InputReaderConfiguration& readerConfig);
+            InputDeviceContext& contextPtr, const InputReaderConfiguration& readerConfig);
 
     PropertyMap mConfiguration;