Fix a bug where the AmbientContextManager is not registered if the AmbientContextDetectionService is not available. The manager should always be available, and return STATUS_SERVICE_NOT_AVAILABLE in this case.

Test: end-to-end test
Bug: 192476579
Change-Id: Ifce8c8dbb71a7bb6efd65db41686c14681cf0e4a

services/java/com/android/server/SystemServer.java

@@ -3171,11 +3171,6 @@ public final class SystemServer implements Dumpable {
     }
 
     private void startAmbientContextService(@NonNull TimingsTraceAndSlog t) {
-        if (!AmbientContextManagerService.isDetectionServiceConfigured()) {
-            Slog.d(TAG, "AmbientContextDetectionService is not configured on this device");
-            return;
-        }
-
         t.traceBegin("StartAmbientContextService");
         mSystemServiceManager.startService(AmbientContextManagerService.class);
         t.traceEnd();