gps: enable GNSS PPS feature

Bug: 244398743
Test: extensive tests with PPS enabled in b/235270127
Change-Id: I5b452df216575fd6e570f29a7845033615e7b8a3
diff --git a/gnss/47765/config/lhd_user.conf b/gnss/47765/config/lhd_user.conf
index 0216ace..682d03a 100644
--- a/gnss/47765/config/lhd_user.conf
+++ b/gnss/47765/config/lhd_user.conf
@@ -29,3 +29,4 @@
 
 SkipSensorWakeLock=true
 LoggerWakeLockEnable=false
+PpsEnable=true