Add rules to dump fingerprint hal traces

Bug: 150008549
Test: adb shell am hang
Test: adb bugreport
Change-Id: I0440bb8fd3cc1205a43eca6c7ef5f8d0afc92396
diff --git a/private/system_server.te b/private/system_server.te
index ebcc8f3..7c24598 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -301,6 +301,7 @@
   hal_camera_server
   hal_codec2_server
   hal_face_server
+  hal_fingerprint_server
   hal_graphics_allocator_server
   hal_graphics_composer_server
   hal_health_server