Implement activate and batch functions

Implements the activate and batch functions for the default Sensors
2.0 implementation.

Bug: 111070257
Test: Builds
Change-Id: I5987ab722cdd97c7cd7ff466d6d989794171b851
diff --git a/sensors/2.0/default/Sensor.h b/sensors/2.0/default/Sensor.h
new file mode 100644
index 0000000..46026a4
--- /dev/null
+++ b/sensors/2.0/default/Sensor.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2018 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_SENSORS_V2_0_SENSOR_H
+#define ANDROID_HARDWARE_SENSORS_V2_0_SENSOR_H
+
+#include <android/hardware/sensors/1.0/types.h>
+
+using ::android::hardware::sensors::V1_0::SensorInfo;
+
+namespace android {
+namespace hardware {
+namespace sensors {
+namespace V2_0 {
+namespace implementation {
+
+class Sensor {
+   public:
+    Sensor();
+
+    const SensorInfo& getSensorInfo() const;
+    bool batch(int32_t samplingPeriodNs);
+    void activate(bool enable);
+
+   protected:
+    bool mIsEnabled;
+    int64_t mSamplingPeriodNs;
+    SensorInfo mSensorInfo;
+};
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace sensors
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_SENSORS_V2_0_SENSOR_H
\ No newline at end of file