Clarify HAL doc of full tracking

Bug: 257549183
Test: doc update only
Change-Id: I35a0736c0939033a588aa28e77f9186e3d59ce6d
diff --git a/gnss/aidl/android/hardware/gnss/GnssData.aidl b/gnss/aidl/android/hardware/gnss/GnssData.aidl
index 492ba31..1bd8d48 100644
--- a/gnss/aidl/android/hardware/gnss/GnssData.aidl
+++ b/gnss/aidl/android/hardware/gnss/GnssData.aidl
@@ -104,7 +104,7 @@
      * True indicates that the GNSS chipset switches off duty cycling. In such mode, no clock
      * discontinuities are expected and, when supported, carrier phase should be continuous in good
      * signal conditions. All non-blocklisted, healthy constellations, satellites and frequency
-     * bands must be tracked and reported in this mode.
+     * bands that are meaningful to positioning accuracy must be tracked and reported in this mode.
      *
      * False indicates that the GNSS chipset optimizes power via duty cycling, constellations and
      * frequency limits, etc.
diff --git a/gnss/aidl/android/hardware/gnss/IGnssMeasurementInterface.aidl b/gnss/aidl/android/hardware/gnss/IGnssMeasurementInterface.aidl
index 4316407..33e9008 100644
--- a/gnss/aidl/android/hardware/gnss/IGnssMeasurementInterface.aidl
+++ b/gnss/aidl/android/hardware/gnss/IGnssMeasurementInterface.aidl
@@ -36,9 +36,9 @@
          * If true, GNSS chipset must switch off duty cycling. In such mode no clock discontinuities
          * are expected and, when supported, carrier phase should be continuous in good signal
          * conditions. All non-blocklisted, healthy constellations, satellites and frequency bands
-         * that the chipset supports must be reported in this mode. The GNSS chipset is allowed to
-         * consume more power in this mode. If false, API must optimize power via duty cycling,
-         * constellations and frequency limits, etc.
+         * that are meaningful to positioning accuracy must be tracked and reported in this mode.
+         * The GNSS chipset is allowed to consume more power in this mode. If false, API must
+         * optimize power via duty cycling, constellations and frequency limits, etc.
          */
         boolean enableFullTracking;