AudioFlinger: remove float and multichannel shim for AIDL

Test: Validate AudioEffects with AIDL mode on and off.
Test: atest android.media.audio.cts.AudioEffectTest \
  android.media.audio.cts.AudioPreProcessingTest \
  android.media.audio.cts.BassBoostTest \
  android.media.audio.cts.EnvReverbTest \
  android.media.audio.cts.EqualizerTest \
  android.media.audio.cts.LoudnessEnhancerTest \
  android.media.audio.cts.PresetReverbTest \
  android.media.audio.cts.VirtualizerTest \
  android.media.audio.cts.VisualizerTest
Bug: 282066693
Change-Id: I08ab707f56d4e7c445306dc1532e887bbbb276c7
diff --git a/services/audioflinger/EffectConfiguration.h b/services/audioflinger/EffectConfiguration.h
new file mode 100644
index 0000000..2f07fa2
--- /dev/null
+++ b/services/audioflinger/EffectConfiguration.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2023 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 <media/audiohal/EffectsFactoryHalInterface.h>
+
+namespace android::audioflinger {
+
+/**
+ * Effect Configuration abstraction and helper class.
+ */
+class EffectConfiguration {
+public:
+    static bool isHidl() {
+        static const bool isHidl = getAudioHalVersionInfo().isHidl();
+        return isHidl;
+    }
+
+    static const sp<EffectsFactoryHalInterface>& getEffectsFactoryHal() {
+        static const auto effectsFactoryHal = EffectsFactoryHalInterface::create();
+        return effectsFactoryHal;
+    }
+
+    static const detail::AudioHalVersionInfo& getAudioHalVersionInfo() {
+        static const auto audioHalVersionInfo = getEffectsFactoryHal() ?
+                getEffectsFactoryHal()->getHalVersion() : detail::AudioHalVersionInfo{
+                        detail::AudioHalVersionInfo::Type::HIDL, 0 /* major */, 0 /* minor */ };
+        return audioHalVersionInfo;
+    }
+};
+
+} // namespace android::audioflinger