Clarify javadoc of Full Tracking

Bug: 257549183
Test: doc update only
Change-Id: Ia66235c20a527c4355b1ce9fae7c157dd90d2c84

2 files changed, 8 insertions, 6 deletions

diff --git a/location/java/android/location/GnssMeasurementRequest.java b/location/java/android/location/GnssMeasurementRequest.java
index 5cf10678622e..3813e97e04fc 100644
--- a/location/java/android/location/GnssMeasurementRequest.java
+++ b/location/java/android/location/GnssMeasurementRequest.java
@@ -76,9 +76,10 @@ public final class GnssMeasurementRequest implements Parcelable {
      * <p>If true, GNSS chipset switches off duty cycling. In such a 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
-     * will consume more power in full tracking mode than in duty cycling mode. If false, GNSS
-     * chipset optimizes power via duty cycling, constellations and frequency limits, etc.
+     * frequency bands that are meaningful to positioning accuracy must be tracked and reported in
+     * this mode. The GNSS chipset will consume more power in full tracking mode than in duty
+     * cycling mode. If false, GNSS chipset optimizes power via duty cycling, constellations and
+     * frequency limits, etc.
      *
      * <p>Full GNSS tracking mode affects GnssMeasurement and other GNSS functionalities
      * including GNSS location.
diff --git a/location/java/android/location/GnssMeasurementsEvent.java b/location/java/android/location/GnssMeasurementsEvent.java
index a8b0dc235b43..1e3574bebbf5 100644
--- a/location/java/android/location/GnssMeasurementsEvent.java
+++ b/location/java/android/location/GnssMeasurementsEvent.java
@@ -163,8 +163,8 @@ public final class GnssMeasurementsEvent implements Parcelable {
      * True indicates that this event was produced while the chipset was in full tracking mode, ie,
      * the GNSS chipset switched off duty cycling. In this 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.
+     * All non-blocklisted, healthy constellations, satellites and frequency bands that are
+     * meaningful to positioning accuracy must be tracked and reported in this mode.
      *
      * False indicates that the GNSS chipset may optimize power via duty cycling, constellations and
      * frequency limits, etc.
@@ -307,7 +307,8 @@ public final class GnssMeasurementsEvent implements Parcelable {
          * mode, ie, the GNSS chipset switched off duty cycling. In this 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.
+         * frequency bands that are meaningful to positioning accuracy must be tracked and reported
+         * in this mode.
          *
          * False indicates that the GNSS chipset may optimize power via duty cycling, constellations
          * and frequency limits, etc.