stub out injectTime API as we should not handle that

We should no longer accept the NTP injection from AFW
as we have our XC handling the NTP update.

Change-Id: I2a4c4da4d4b7c46c8ebe70f0666b2fd8ad1a6a5f
CRs-Fixed: 2595204
diff --git a/sdm845/android/Gnss.cpp b/sdm845/android/Gnss.cpp
index 8d5d8a8..74f7f83 100644
--- a/sdm845/android/Gnss.cpp
+++ b/sdm845/android/Gnss.cpp
@@ -289,14 +289,7 @@
 
 Return<bool> Gnss::injectTime(int64_t timeMs, int64_t timeReferenceMs,
                               int32_t uncertaintyMs) {
-    ENTRY_LOG_CALLFLOW();
-    const GnssInterface* gnssInterface = getGnssInterface();
-    if (nullptr != gnssInterface) {
-        gnssInterface->injectTime(timeMs, timeReferenceMs, uncertaintyMs);
-        return true;
-    } else {
         return false;
-    }
 }
 
 Return<void> Gnss::deleteAidingData(V1_0::IGnss::GnssAidingData aidingDataFlags)  {