Add a path for GNSS time suggestions to get to the time detector.

Bug: 157265008
Test: atest services/tests/servicestests/src/com/android/server/timedetector/TimeDetectorStrategyImplTest.java
Test: atest android.app.timedetector
Change-Id: I5cb12b5545652ed885b72a3170940050ce0628a6
Merged-In: I5cb12b5545652ed885b72a3170940050ce0628a6