[sensors] Make generic_sensor a component

device/generic_sensor/platform_sensor_provider.h

Index: device/generic_sensor/platform_sensor_provider.h
diff --git a/device/generic_sensor/platform_sensor_provider.h b/device/generic_sensor/platform_sensor_provider.h
index b23cd30ace284a61ee1236ea2fcc46b89f98df0d..ea6d3f5dae769a7a988f1bc9e543229cbdf8cce0 100644
--- a/device/generic_sensor/platform_sensor_provider.h
+++ b/device/generic_sensor/platform_sensor_provider.h
@@ -5,13 +5,15 @@
 #ifndef DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_H_
 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_H_
 
+#include "device/generic_sensor/generic_sensor_export.h"
 #include "device/generic_sensor/platform_sensor_provider_base.h"
 
 namespace device {
 
 // This a singleton class returning the actual sensor provider
 // implementation for the current platform.
-class PlatformSensorProvider : public PlatformSensorProviderBase {
+class DEVICE_GENERIC_SENSOR_EXPORT PlatformSensorProvider
+    : public PlatformSensorProviderBase {
  public:
   // Returns the PlatformSensorProvider singleton.
   // Note: returns 'nullptr' if there is no available implementation for