Implement broadcast radio HAL 2.0 default implementation.

Also, split internal common utils library to 1.x and 2.x.

Test: VTS
Bug: 69958777
Change-Id: I21244c74270a07cc350e8a2b974dafcdae02a0e8
diff --git a/broadcastradio/2.0/default/TunerSession.h b/broadcastradio/2.0/default/TunerSession.h
new file mode 100644
index 0000000..08a7588
--- /dev/null
+++ b/broadcastradio/2.0/default/TunerSession.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V2_0_TUNER_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V2_0_TUNER_H
+
+#include "VirtualRadio.h"
+
+#include <android/hardware/broadcastradio/2.0/ITunerCallback.h>
+#include <android/hardware/broadcastradio/2.0/ITunerSession.h>
+#include <broadcastradio-utils/WorkerThread.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+
+struct BroadcastRadio;
+
+struct TunerSession : public ITunerSession {
+    TunerSession(BroadcastRadio& module, const sp<ITunerCallback>& callback);
+
+    // V2_0::ITunerSession methods
+    virtual Return<Result> tune(const ProgramSelector& program) override;
+    virtual Return<Result> scan(bool directionUp, bool skipSubChannel) override;
+    virtual Return<Result> step(bool directionUp) override;
+    virtual Return<void> cancel() override;
+    virtual Return<void> setParameters(const hidl_vec<VendorKeyValue>& parameters,
+                                       setParameters_cb _hidl_cb) override;
+    virtual Return<void> getParameters(const hidl_vec<hidl_string>& keys,
+                                       getParameters_cb _hidl_cb) override;
+    virtual Return<void> close() override;
+
+   private:
+    std::mutex mMut;
+    WorkerThread mThread;
+    bool mIsClosed = false;
+
+    const sp<ITunerCallback> mCallback;
+
+    std::reference_wrapper<BroadcastRadio> mModule;
+    bool mIsTuneCompleted = false;
+    ProgramSelector mCurrentProgram = {};
+
+    void tuneInternalLocked(const ProgramSelector& sel);
+    const VirtualRadio& virtualRadio() const;
+};
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V2_0_TUNER_H