Update InputConsumer_test.cpp to use getFdStateDebug

Updated InputConsumer_test.cpp to use getFdStateDebug, and reverted the
changes introduced by LooperInterface in InputConsumerNoResampling

Bug: 297226446
Flag: EXEMPT refactor
Test: TEST=libinput_tests; m $TEST && $ANDROID_HOST_OUT/nativetest64/$TEST/$TEST --gtest_filter="InputConsumerTest*"
Change-Id: I7621fdf0923e16794142316a126d81e5faf3d708
diff --git a/include/input/InputConsumerNoResampling.h b/include/input/InputConsumerNoResampling.h
index 10c2aa0..c98b9cf 100644
--- a/include/input/InputConsumerNoResampling.h
+++ b/include/input/InputConsumerNoResampling.h
@@ -22,7 +22,6 @@
 
 #include <input/Input.h>
 #include <input/InputTransport.h>
-#include <input/LooperInterface.h>
 #include <input/Resampler.h>
 #include <utils/Looper.h>
 
@@ -72,16 +71,6 @@
 class InputConsumerNoResampling final {
 public:
     /**
-     * This constructor is exclusively for test code. Any real use of InputConsumerNoResampling must
-     * use the constructor that takes an sp<Looper> parameter instead of
-     * std::shared_ptr<LooperInterface>.
-     */
-    explicit InputConsumerNoResampling(const std::shared_ptr<InputChannel>& channel,
-                                       std::shared_ptr<LooperInterface> looper,
-                                       InputConsumerCallbacks& callbacks,
-                                       std::unique_ptr<Resampler> resampler);
-
-    /**
      * @param callbacks are used to interact with InputConsumerNoResampling. They're called whenever
      * the event is ready to consume.
      * @param looper needs to be sp and not shared_ptr because it inherits from
@@ -126,7 +115,7 @@
 
 private:
     std::shared_ptr<InputChannel> mChannel;
-    std::shared_ptr<LooperInterface> mLooper;
+    sp<Looper> mLooper;
     InputConsumerCallbacks& mCallbacks;
     std::unique_ptr<Resampler> mResampler;
 
diff --git a/include/input/LooperInterface.h b/include/input/LooperInterface.h
deleted file mode 100644
index 2d6719c..0000000
--- a/include/input/LooperInterface.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/**
- * Copyright 2024 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <utils/Looper.h>
-#include <utils/StrongPointer.h>
-
-namespace android {
-
-/**
- * LooperInterface allows the use of TestLooper in InputConsumerNoResampling without reassigning to
- * Looper. LooperInterface is needed to control how InputConsumerNoResampling consumes and batches
- * InputMessages.
- */
-class LooperInterface {
-public:
-    virtual ~LooperInterface() = default;
-
-    virtual int addFd(int fd, int ident, int events, const sp<LooperCallback>& callback,
-                      void* data) = 0;
-    virtual int removeFd(int fd) = 0;
-
-    virtual sp<Looper> getLooper() const = 0;
-};
-} // namespace android