Revert "Revert "Initial implementation of broadcast radio HAL.""

This reverts commit 2c2df013b25bd96976af82db7e6f3480f0571c6e.
diff --git a/broadcastradio/1.0/default/Tuner.h b/broadcastradio/1.0/default/Tuner.h
new file mode 100644
index 0000000..94e216e
--- /dev/null
+++ b/broadcastradio/1.0/default/Tuner.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2016 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 HIDL_GENERATED_android_hardware_broadcastradio_V1_0_Tuner_H_
+#define HIDL_GENERATED_android_hardware_broadcastradio_V1_0_Tuner_H_
+
+#include <android/hardware/broadcastradio/1.0/ITuner.h>
+#include <android/hardware/broadcastradio/1.0/ITunerCallback.h>
+#include <hidl/Status.h>
+#include <hardware/radio.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V1_0 {
+namespace implementation {
+
+struct BroadcastRadio;
+
+struct Tuner : public ITuner {
+
+    Tuner(const sp<ITunerCallback>& callback, const wp<BroadcastRadio>& mParentDevice);
+
+    // Methods from ::android::hardware::broadcastradio::V1_0::ITuner follow.
+    Return<Result> setConfiguration(const BandConfig& config)  override;
+    Return<void> getConfiguration(getConfiguration_cb _hidl_cb)  override;
+    Return<Result> scan(Direction direction, bool skipSubChannel)  override;
+    Return<Result> step(Direction direction, bool skipSubChannel)  override;
+    Return<Result> tune(uint32_t channel, uint32_t subChannel)  override;
+    Return<Result> cancel()  override;
+    Return<void> getProgramInformation(bool withMetadata,
+                                       getProgramInformation_cb _hidl_cb)  override;
+
+    static void callback(radio_hal_event_t *halEvent, void *cookie);
+           void onCallback(radio_hal_event_t *halEvent);
+
+    void setHalTuner(const struct radio_tuner *halTuner) { mHalTuner = halTuner; }
+    const struct radio_tuner *getHalTuner() { return mHalTuner; }
+
+ private:
+    ~Tuner();
+
+    const struct radio_tuner    *mHalTuner;
+    const sp<ITunerCallback>     mCallback;
+    const wp<BroadcastRadio>     mParentDevice;
+};
+
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // HIDL_GENERATED_android_hardware_broadcastradio_V1_0_Tuner_H_