Minimum viable TimeDetectorService

This is a do-nothing TimeDetectorService that can be
populated in following commits. A temporary method has been
added so the service has one method.

Unit tests can be run with:

atest FrameworksServicesTests:TimeDetectorServiceTest

Test: build / boot
Test: See above
Merged-In: I9e4eac70b944441f34491315cd1ce7fa2b9ae150
Change-Id: I9e4eac70b944441f34491315cd1ce7fa2b9ae150
(cherry picked from commit feeee682a23f25760c4a1aa07c00945901911ba3)
diff --git a/Android.bp b/Android.bp
index 58cb9af..cb32b36 100644
--- a/Android.bp
+++ b/Android.bp
@@ -97,6 +97,7 @@
         "core/java/android/app/backup/IRestoreObserver.aidl",
         "core/java/android/app/backup/IRestoreSession.aidl",
         "core/java/android/app/backup/ISelectBackupTransportCallback.aidl",
+        "core/java/android/app/timedetector/ITimeDetectorService.aidl",
         "core/java/android/app/timezone/ICallback.aidl",
         "core/java/android/app/timezone/IRulesManager.aidl",
         "core/java/android/app/usage/ICacheQuotaService.aidl",