Spatializer: Deliver metrics to MediaMetrics

Test: adb shell dumpsys media.metrics
Bug: 203434487
Change-Id: I4899db6bad8960b8dd5e65f24c8e6c4ee73f6fd1
diff --git a/media/libheadtracking/Android.bp b/media/libheadtracking/Android.bp
index 1d41889..9d63f9b 100644
--- a/media/libheadtracking/Android.bp
+++ b/media/libheadtracking/Android.bp
@@ -46,6 +46,7 @@
     ],
     export_shared_lib_headers: [
         "libheadtracking",
+        "libsensor",
     ],
 }
 
diff --git a/media/libheadtracking/SensorPoseProvider.cpp b/media/libheadtracking/SensorPoseProvider.cpp
index 4884ae4..8ebaf6e 100644
--- a/media/libheadtracking/SensorPoseProvider.cpp
+++ b/media/libheadtracking/SensorPoseProvider.cpp
@@ -26,7 +26,6 @@
 
 #include <android-base/thread_annotations.h>
 #include <log/log_main.h>
-#include <sensor/Sensor.h>
 #include <sensor/SensorEventQueue.h>
 #include <sensor/SensorManager.h>
 #include <utils/Looper.h>
@@ -285,7 +284,7 @@
         return DataFormat::kUnknown;
     }
 
-    std::optional<const Sensor> getSensorByHandle(int32_t handle) {
+    std::optional<const Sensor> getSensorByHandle(int32_t handle) override {
         const Sensor* const* list;
         ssize_t size;
 
diff --git a/media/libheadtracking/include/media/SensorPoseProvider.h b/media/libheadtracking/include/media/SensorPoseProvider.h
index d2a6b77..0f42074 100644
--- a/media/libheadtracking/include/media/SensorPoseProvider.h
+++ b/media/libheadtracking/include/media/SensorPoseProvider.h
@@ -20,6 +20,7 @@
 #include <optional>
 
 #include <android/sensor.h>
+#include <sensor/Sensor.h>
 
 #include "Pose.h"
 #include "Twist.h"
@@ -91,6 +92,14 @@
      * @param handle The sensor handle, as provided to startSensor().
      */
     virtual void stopSensor(int32_t handle) = 0;
+
+    /**
+     * Returns the sensor or nullopt if it does not exist.
+     *
+     * The Sensor object has const methods that can be used to
+     * discover properties of the sensor.
+     */
+    virtual std::optional<const Sensor> getSensorByHandle(int32_t handle) = 0;
 };
 
 }  // namespace media