Clarifications to IGnss*.hal comments

Clarified PRN vs. Satellite ID
Corrected Measurement vs Clock typo

Test: build check, including hash verification. Comments only.
Change-Id: I1bef83800dbc796b1c8df43790f4239c81858d56
diff --git a/current.txt b/current.txt
index 4a943b9..dc57c67 100644
--- a/current.txt
+++ b/current.txt
@@ -260,6 +260,8 @@
 c8bc853546dd55584611def2a9fa1d99f657e3366c976d2f60fe6b8aa6d2cb87 android.hardware.thermal@1.1::IThermalCallback
 
 # ABI preserving changes to HALs during Android P
+6fa9804a17a8bb7923a56bd10493a5483c20007e4c9026fd04287bee7c945a8c android.hardware.gnss@1.0::IGnssCallback
 fb92e2b40f8e9d494e8fd3b4ac18499a3216342e7cff160714c3bbf3660b6e79 android.hardware.gnss@1.0::IGnssConfiguration
+251594ea9b27447bfa005ebd806e58fb0ae4aad84a69938129c9800ec0c64eda android.hardware.gnss@1.0::IGnssMeasurementCallback
 d4c10cb28318dba8efb22231a8c23e86ad8853f85775187c40b42a878a5ef4d5 android.hardware.automotive.vehicle@2.0::types
 cf72ff5a52bfa4d08e9e1000cf3ab5952a2d280c7f13cdad5ab7905c08050766 android.hardware.camera.metadata@3.2::types
diff --git a/gnss/1.0/IGnssCallback.hal b/gnss/1.0/IGnssCallback.hal
index 89e5e0e..7fb38c5 100644
--- a/gnss/1.0/IGnssCallback.hal
+++ b/gnss/1.0/IGnssCallback.hal
@@ -76,9 +76,9 @@
 
     struct GnssSvInfo {
         /**
-         * Pseudo-random number for the SV, or FCN/OSN number for Glonass. The
-         * distinction is made by looking at constellation field. Values must be
-         * in the range of:
+         * Pseudo-random or satellite ID number for the satellite, a.k.a. Space Vehicle (SV), or
+         * FCN/OSN number for Glonass. The distinction is made by looking at constellation field.
+         * Values must be in the range of:
          *
          * - GNSS:    1-32
          * - SBAS:    120-151, 183-192
diff --git a/gnss/1.0/IGnssMeasurementCallback.hal b/gnss/1.0/IGnssMeasurementCallback.hal
index 4031664..b27c2e0 100644
--- a/gnss/1.0/IGnssMeasurementCallback.hal
+++ b/gnss/1.0/IGnssMeasurementCallback.hal
@@ -496,7 +496,7 @@
          * to L1 must be filled, and in the other all of the values related to
          * L5 must be filled.
          *
-         * If the data is available, gnssClockFlags must contain
+         * If the data is available, gnssMeasurementFlags must contain
          * HAS_CARRIER_FREQUENCY.
          */
         float carrierFrequencyHz;
@@ -508,7 +508,7 @@
          * resets in the accumulation of this value can be inferred from the
          * accumulatedDeltaRangeState flags.
          *
-         * If the data is available, gnssClockFlags must contain
+         * If the data is available, gnssMeasurementFlags must contain
          * HAS_CARRIER_CYCLES.
          */
         int64_t carrierCycles;
@@ -521,14 +521,14 @@
          * The reference frequency is given by the field 'carrierFrequencyHz'.
          * The value contains the 'carrier-phase uncertainty' in it.
          *
-         * If the data is available, gnssClockFlags must contain
+         * If the data is available, gnssMeasurementFlags must contain
          * HAS_CARRIER_PHASE.
          */
         double carrierPhase;
 
         /**
          * 1-Sigma uncertainty of the carrier-phase.
-         * If the data is available, gnssClockFlags must contain
+         * If the data is available, gnssMeasurementFlags must contain
          * HAS_CARRIER_PHASE_UNCERTAINTY.
          */
         double carrierPhaseUncertainty;