Clarifying GnssMeasurement and Clock commments

Change-Id: Ia51b16a2904ab43f67464fc91321fad99a2bb614
Fixes: 77812939
Test: Comments only, verified builds
diff --git a/current.txt b/current.txt
index 327833f..b1a651f 100644
--- a/current.txt
+++ b/current.txt
@@ -386,6 +386,7 @@
 
 # ABI preserving changes to HALs during Android Q
 da33234403ff5d60f3473711917b9948e6484a4260b5247acdafb111193a9de2 android.hardware.configstore@1.0::ISurfaceFlingerConfigs
+78886339f2c848cf13c1edd3ebba63f89796b2620d3bf3b5c21d038a53519ba0 android.hardware.gnss@1.0::IGnssMeasurementCallback
 b7ecf29927055ec422ec44bf776223f07d79ad9f92ccf9becf167e62c2607e7a android.hardware.keymaster@4.0::IKeymasterDevice
 574e8f1499436fb4075894dcae0b36682427956ecb114f17f1fe22d116a83c6b android.hardware.neuralnetworks@1.0::IPreparedModel
 1fb32361286b938d48a55c2539c846732afce0b99fe08590f556643125bc13d3 android.hardware.neuralnetworks@1.0::types