AIDL effect: Initial IEffect interface implementation and vts test

Bug: 238913361
Test: atest VtsHalAudioEffectTargetTest
Merged-In: Id64d28af9122e82acd96e3349cf37c3d9728069a
Change-Id: Id64d28af9122e82acd96e3349cf37c3d9728069a
diff --git a/audio/aidl/default/equalizer/Equalizer.cpp b/audio/aidl/default/equalizer/Equalizer.cpp
new file mode 100644
index 0000000..dae3ab7
--- /dev/null
+++ b/audio/aidl/default/equalizer/Equalizer.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#define LOG_TAG "AHAL_Equalizer"
+#include <android-base/logging.h>
+
+#include "Equalizer.h"
+
+namespace aidl::android::hardware::audio::effect {
+
+Equalizer::Equalizer() {
+    // Implementation UUID
+    mDesc.common.id.uuid = {static_cast<int32_t>(0xce772f20),
+                            0x847d,
+                            0x11df,
+                            0xbb17,
+                            {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}};
+}
+
+ndk::ScopedAStatus Equalizer::open() {
+    LOG(DEBUG) << __func__;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Equalizer::close() {
+    LOG(DEBUG) << __func__;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Equalizer::getDescriptor(Descriptor* _aidl_return) {
+    LOG(DEBUG) << __func__ << "descriptor " << mDesc.toString();
+    *_aidl_return = mDesc;
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::audio::effect