Add BiometricPromptService to sepolicy

Bug: 72825012

Test: manual
Change-Id: I850c869cdc0ad8735800130bb4a8d67822197ff9
diff --git a/private/service_contexts b/private/service_contexts
index 6afe232..804385e 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -17,6 +17,7 @@
 batterystats                              u:object_r:batterystats_service:s0
 battery                                   u:object_r:battery_service:s0
 binder_calls_stats                        u:object_r:binder_calls_stats_service:s0
+biometric_prompt                          u:object_r:biometric_prompt_service:s0
 bluetooth_manager                         u:object_r:bluetooth_manager_service:s0
 bluetooth                                 u:object_r:bluetooth_service:s0
 broadcastradio                            u:object_r:broadcastradio_service:s0