Move AudioDeviceTypeAddr to libaudiofoundation.

Move AudioDeviceTypeAddr from AudioPolicy.h to libaudiofoundation.
AudioDeviceTypeAddr is a class that contains audio device type and
address. It can be used not only in audio policy, but also other places.

Bug: 135621476
Test: make, atest AudioHostTest
Change-Id: Ib257859891c647c07f22771012efdada438a4ff5
diff --git a/media/libaudiofoundation/Android.bp b/media/libaudiofoundation/Android.bp
index edc06d2..93bc4d9 100644
--- a/media/libaudiofoundation/Android.bp
+++ b/media/libaudiofoundation/Android.bp
@@ -19,6 +19,7 @@
 
     srcs: [
         "AudioContainers.cpp",
+        "AudioDeviceTypeAddr.cpp",
         "AudioGain.cpp",
         "AudioPort.cpp",
         "AudioProfile.cpp",
diff --git a/media/libaudiofoundation/AudioDeviceTypeAddr.cpp b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
new file mode 100644
index 0000000..3e43ead
--- /dev/null
+++ b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#include <media/AudioDeviceTypeAddr.h>
+
+namespace android {
+
+const char* AudioDeviceTypeAddr::getAddress() const {
+    return mAddress.c_str();
+}
+
+bool AudioDeviceTypeAddr::equals(const AudioDeviceTypeAddr& other) const {
+    return mType == other.mType && mAddress == other.mAddress;
+}
+
+status_t AudioDeviceTypeAddr::readFromParcel(const Parcel *parcel) {
+    status_t status;
+    if ((status = parcel->readUint32(&mType)) != NO_ERROR) return status;
+    status = parcel->readUtf8FromUtf16(&mAddress);
+    return status;
+}
+
+status_t AudioDeviceTypeAddr::writeToParcel(Parcel *parcel) const {
+    status_t status;
+    if ((status = parcel->writeUint32(mType)) != NO_ERROR) return status;
+    status = parcel->writeUtf8AsUtf16(mAddress);
+    return status;
+}
+
+}
\ No newline at end of file
diff --git a/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h b/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h
new file mode 100644
index 0000000..392a355
--- /dev/null
+++ b/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019 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 <string>
+
+#include <binder/Parcelable.h>
+#include <binder/Parcel.h>
+#include <system/audio.h>
+#include <utils/Errors.h>
+
+namespace android {
+
+struct AudioDeviceTypeAddr : public Parcelable {
+    AudioDeviceTypeAddr() = default;
+
+    AudioDeviceTypeAddr(audio_devices_t type, const std::string& address) :
+            mType(type), mAddress(address) {}
+
+    const char* getAddress() const;
+
+    bool equals(const AudioDeviceTypeAddr& other) const;
+
+    status_t readFromParcel(const Parcel *parcel) override;
+
+    status_t writeToParcel(Parcel *parcel) const override;
+
+    audio_devices_t mType = AUDIO_DEVICE_NONE;
+    std::string mAddress;
+};
+
+}