jiri-test: re-enable reader tests

The reader will continue development as a Flutter application and will need
tests/CI again. CL#21912 has modified the reader test task to only run Flutter
tests.

See: https://vanadium-review.googlesource.com/#/c/21912/
Change-Id: Ifd4c951710418606365581370ecf83180498804a
diff --git a/tooldata/data/config.v1.xml b/tooldata/data/config.v1.xml
index 70c52be..98ec83d 100644
--- a/tooldata/data/config.v1.xml
+++ b/tooldata/data/config.v1.xml
@@ -151,9 +151,7 @@
     </project>
     <project name="release.projects.reader">
       <test>vanadium-copyright</test>
-      <!-- TODO(sadovsky,nlacasse): Re-enable this test once the syncbase API change is done.
-        <test>vanadium-reader-test</test>
-      -->
+      <test>vanadium-reader-test</test>
     </project>
     <project name="release.projects.sensorlog">
       <test>go</test>