camera.device@3.4: Add MOTION_TRACKING template enums

- Extend RequestTemplate with two new values
- Add legacy wrapper support for the new templates

Test: Builds, camera continues to run. CTS coverage of templates
tests new templates as expected.
Bug: 63629224
Change-Id: I2a44d86a815690798fa4b8327794c64716d134ee
diff --git a/camera/device/3.2/default/CameraDeviceSession.h b/camera/device/3.2/default/CameraDeviceSession.h
index 0048ef4..dd73b39 100644
--- a/camera/device/3.2/default/CameraDeviceSession.h
+++ b/camera/device/3.2/default/CameraDeviceSession.h
@@ -112,7 +112,9 @@
     Return<Status> flush();
     Return<void> close();
 
-    //Helper methods
+    // Helper methods
+    Status constructDefaultRequestSettingsRaw(int type, CameraMetadata *outMetadata);
+
     bool preProcessConfigurationLocked(const StreamConfiguration& requestedConfiguration,
             camera3_stream_configuration_t *stream_list /*out*/,
             hidl_vec<camera3_stream_t*> *streams /*out*/);