Add new time zone detection service

Add entries necessary for the new time zone detection service.

Bug:140712361
Test: See related frameworks/base change
Change-Id: Ide4244104e2add843c1d699d528328dd71a6b525
diff --git a/private/service_contexts b/private/service_contexts
index b7cd10f..89959fa 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -197,6 +197,7 @@
 textclassification                        u:object_r:textclassification_service:s0
 textservices                              u:object_r:textservices_service:s0
 time_detector                             u:object_r:timedetector_service:s0
+time_zone_detector                        u:object_r:timezonedetector_service:s0
 timezone                                  u:object_r:timezone_service:s0
 thermalservice                            u:object_r:thermal_service:s0
 trust                                     u:object_r:trust_service:s0