Merge "Revert "This CL introduces new member variable on android.location.Location (see api/current.txt).""
diff --git a/api/current.txt b/api/current.txt
index 276871a..94f79df 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -22858,7 +22858,6 @@
     method public float getBearing();
     method public float getBearingAccuracyDegrees();
     method public long getElapsedRealtimeNanos();
-    method public long getElapsedRealtimeUncertaintyNanos();
     method public android.os.Bundle getExtras();
     method public double getLatitude();
     method public double getLongitude();
@@ -22871,7 +22870,6 @@
     method public boolean hasAltitude();
     method public boolean hasBearing();
     method public boolean hasBearingAccuracy();
-    method public boolean hasElapsedRealtimeUncertaintyNanos();
     method public boolean hasSpeed();
     method public boolean hasSpeedAccuracy();
     method public boolean hasVerticalAccuracy();
@@ -22887,7 +22885,6 @@
     method public void setBearing(float);
     method public void setBearingAccuracyDegrees(float);
     method public void setElapsedRealtimeNanos(long);
-    method public void setElapsedRealtimeUncertaintyNanos(long);
     method public void setExtras(android.os.Bundle);
     method public void setLatitude(double);
     method public void setLongitude(double);
diff --git a/location/java/android/location/Location.java b/location/java/android/location/Location.java
index ed74333..17e2509 100644
--- a/location/java/android/location/Location.java
+++ b/location/java/android/location/Location.java
@@ -113,10 +113,6 @@
      * Bit mask for mFieldsMask indicating the presence of mBearingAccuracy.
      */
     private static final int HAS_BEARING_ACCURACY_MASK = 128;
-    /**
-     * Bit mask for mFieldsMask indicating the presence of mElapsedRealtimeUncertaintyNanos.
-     */
-    private static final int HAS_ELAPSED_REALTIME_UNCERTAINTY_MASK = 256;
 
     // Cached data to make bearing/distance computations more efficient for the case
     // where distanceTo and bearingTo are called in sequence.  Assume this typically happens
@@ -134,9 +130,6 @@
     private long mTime = 0;
     @UnsupportedAppUsage
     private long mElapsedRealtimeNanos = 0;
-    // Estimate of the relative precision of the alignment of this SystemClock
-    // timestamp, with the reported measurements in nanoseconds (68% confidence).
-    private long mElapsedRealtimeUncertaintyNanos = 0;
     private double mLatitude = 0.0;
     private double mLongitude = 0.0;
     private double mAltitude = 0.0f;
@@ -178,7 +171,6 @@
         mProvider = l.mProvider;
         mTime = l.mTime;
         mElapsedRealtimeNanos = l.mElapsedRealtimeNanos;
-        mElapsedRealtimeUncertaintyNanos = l.mElapsedRealtimeUncertaintyNanos;
         mFieldsMask = l.mFieldsMask;
         mLatitude = l.mLatitude;
         mLongitude = l.mLongitude;
@@ -199,7 +191,6 @@
         mProvider = null;
         mTime = 0;
         mElapsedRealtimeNanos = 0;
-        mElapsedRealtimeUncertaintyNanos = 0;
         mFieldsMask = 0;
         mLatitude = 0;
         mLongitude = 0;
@@ -595,37 +586,6 @@
     }
 
     /**
-     * Get estimate of the relative precision of the alignment of the
-     * ElapsedRealtimeNanos timestamp, with the reported measurements in
-     * nanoseconds (68% confidence).
-     *
-     * @return uncertainty of elapsed real-time of fix, in nanoseconds.
-     */
-    public long getElapsedRealtimeUncertaintyNanos() {
-        return mElapsedRealtimeUncertaintyNanos;
-    }
-
-    /**
-     * Set estimate of the relative precision of the alignment of the
-     * ElapsedRealtimeNanos timestamp, with the reported measurements in
-     * nanoseconds (68% confidence).
-     *
-     * @param time uncertainty of the elapsed real-time of fix, in nanoseconds.
-     */
-    public void setElapsedRealtimeUncertaintyNanos(long time) {
-        mElapsedRealtimeUncertaintyNanos = time;
-        mFieldsMask |= HAS_ELAPSED_REALTIME_UNCERTAINTY_MASK;
-    }
-
-    /**
-     * True if this location has a elapsed realtime accuracy.
-     */
-    public boolean hasElapsedRealtimeUncertaintyNanos() {
-        return (mFieldsMask & HAS_ELAPSED_REALTIME_UNCERTAINTY_MASK) != 0;
-    }
-
-
-    /**
      * Get the latitude, in degrees.
      *
      * <p>All locations generated by the {@link LocationManager}
@@ -1102,10 +1062,6 @@
             s.append(" et=");
             TimeUtils.formatDuration(mElapsedRealtimeNanos / 1000000L, s);
         }
-        if (hasElapsedRealtimeUncertaintyNanos()) {
-            s.append(" etAcc=");
-            TimeUtils.formatDuration(mElapsedRealtimeUncertaintyNanos / 1000000L, s);
-        }
         if (hasAltitude()) s.append(" alt=").append(mAltitude);
         if (hasSpeed()) s.append(" vel=").append(mSpeed);
         if (hasBearing()) s.append(" bear=").append(mBearing);
@@ -1136,7 +1092,6 @@
             Location l = new Location(provider);
             l.mTime = in.readLong();
             l.mElapsedRealtimeNanos = in.readLong();
-            l.mElapsedRealtimeUncertaintyNanos = in.readLong();
             l.mFieldsMask = in.readByte();
             l.mLatitude = in.readDouble();
             l.mLongitude = in.readDouble();
@@ -1167,7 +1122,6 @@
         parcel.writeString(mProvider);
         parcel.writeLong(mTime);
         parcel.writeLong(mElapsedRealtimeNanos);
-        parcel.writeLong(mElapsedRealtimeUncertaintyNanos);
         parcel.writeByte(mFieldsMask);
         parcel.writeDouble(mLatitude);
         parcel.writeDouble(mLongitude);
diff --git a/services/core/java/com/android/server/location/GnssLocationProvider.java b/services/core/java/com/android/server/location/GnssLocationProvider.java
index 9ab9975..71ec5b0 100644
--- a/services/core/java/com/android/server/location/GnssLocationProvider.java
+++ b/services/core/java/com/android/server/location/GnssLocationProvider.java
@@ -142,7 +142,6 @@
 
     // these need to match ElapsedRealtimeFlags enum in types.hal
     private static final int ELAPSED_REALTIME_HAS_TIMESTAMP_NS = 1;
-    private static final int ELAPSED_REALTIME_HAS_TIME_UNCERTAINTY_NS = 2;
 
     // IMPORTANT - the GPS_DELETE_* symbols here must match GnssAidingData enum in IGnss.hal
     private static final int GPS_DELETE_EPHEMERIS = 0x0001;
@@ -769,18 +768,15 @@
         float bearingAccuracyDegrees = location.getBearingAccuracyDegrees();
         long timestamp = location.getTime();
 
-        int elapsedRealtimeFlags = ELAPSED_REALTIME_HAS_TIMESTAMP_NS
-                | (location.hasElapsedRealtimeUncertaintyNanos()
-                        ? ELAPSED_REALTIME_HAS_TIME_UNCERTAINTY_NS : 0);
+        int elapsedRealtimeFlags = ELAPSED_REALTIME_HAS_TIMESTAMP_NS;
         long elapsedRealtimeNanos = location.getElapsedRealtimeNanos();
-        long elapsedRealtimeUncertaintyNanos = location.getElapsedRealtimeUncertaintyNanos();
 
         native_inject_best_location(
                 gnssLocationFlags, latitudeDegrees, longitudeDegrees,
                 altitudeMeters, speedMetersPerSec, bearingDegrees,
                 horizontalAccuracyMeters, verticalAccuracyMeters,
                 speedAccuracyMetersPerSecond, bearingAccuracyDegrees, timestamp,
-                elapsedRealtimeFlags, elapsedRealtimeNanos, elapsedRealtimeUncertaintyNanos);
+                elapsedRealtimeFlags, elapsedRealtimeNanos);
     }
 
     /** Returns true if the location request is too frequent. */
@@ -2174,8 +2170,7 @@
             double altitudeMeters, float speedMetersPerSec, float bearingDegrees,
             float horizontalAccuracyMeters, float verticalAccuracyMeters,
             float speedAccuracyMetersPerSecond, float bearingAccuracyDegrees,
-            long timestamp, int elapsedRealtimeFlags, long elapsedRealtimeNanos,
-            long elapsedRealtimeUncertaintyNanos);
+            long timestamp, int elapsedRealtimeFlags, long elapsedRealtimeNanos);
 
     private native void native_inject_location(double latitude, double longitude, float accuracy);
 
diff --git a/services/core/jni/com_android_server_location_GnssLocationProvider.cpp b/services/core/jni/com_android_server_location_GnssLocationProvider.cpp
index e8882ec..d39f20c 100644
--- a/services/core/jni/com_android_server_location_GnssLocationProvider.cpp
+++ b/services/core/jni/com_android_server_location_GnssLocationProvider.cpp
@@ -491,10 +491,6 @@
         SET(ElapsedRealtimeNanos, location.elapsedRealtime.timestampNs);
     }
 
-    if (flags & ElapsedRealtimeFlags::HAS_TIME_UNCERTAINTY_NS) {
-        SET(ElapsedUncertaintyRealtimeNanos, location.elapsedRealtime.timeUncertaintyNs);
-    }
-
     return object.get();
 }
 
@@ -525,8 +521,7 @@
         jdouble altitudeMeters, jfloat speedMetersPerSec, jfloat bearingDegrees,
         jfloat horizontalAccuracyMeters, jfloat verticalAccuracyMeters,
         jfloat speedAccuracyMetersPerSecond, jfloat bearingAccuracyDegrees,
-        jlong timestamp, jint elapsedRealtimeFlags, jlong elapsedRealtimeNanos,
-        jlong elapsedRealtimeUncertaintyNanos) {
+        jlong timestamp, jint elapsedRealtimeFlags, jlong elapsedRealtimeNanos) {
     GnssLocation_V2_0 location;
     location.v1_0 = createGnssLocation_V1_0(
             gnssLocationFlags, latitudeDegrees, longitudeDegrees, altitudeMeters,
@@ -536,7 +531,6 @@
 
     location.elapsedRealtime.flags = static_cast<uint16_t>(elapsedRealtimeFlags);
     location.elapsedRealtime.timestampNs = static_cast<uint64_t>(elapsedRealtimeNanos);
-    location.elapsedRealtime.timeUncertaintyNs = static_cast<uint64_t>(elapsedRealtimeUncertaintyNanos);
 
     return location;
 }
@@ -1893,8 +1887,7 @@
         jfloat bearingAccuracyDegrees,
         jlong timestamp,
         jint elapsedRealtimeFlags,
-        jlong elapsedRealtimeNanos,
-        jlong elapsedRealtimeUncertaintyNanos) {
+        jlong elapsedRealtimeNanos) {
     if (gnssHal_V2_0 != nullptr) {
         GnssLocation_V2_0 location = createGnssLocation_V2_0(
                 gnssLocationFlags,
@@ -1909,8 +1902,7 @@
                 bearingAccuracyDegrees,
                 timestamp,
                 elapsedRealtimeFlags,
-                elapsedRealtimeNanos,
-                elapsedRealtimeUncertaintyNanos);
+                elapsedRealtimeNanos);
         auto result = gnssHal_V2_0->injectBestLocation_2_0(location);
 
         if (!result.isOk() || !result) {
@@ -2821,7 +2813,7 @@
             android_location_GnssLocationProvider_read_nmea)},
     {"native_inject_time", "(JJI)V", reinterpret_cast<void *>(
             android_location_GnssLocationProvider_inject_time)},
-    {"native_inject_best_location", "(IDDDFFFFFFJIJJ)V", reinterpret_cast<void *>(
+    {"native_inject_best_location", "(IDDDFFFFFFJIJ)V", reinterpret_cast<void *>(
             android_location_GnssLocationProvider_inject_best_location)},
     {"native_inject_location", "(DDF)V", reinterpret_cast<void *>(
             android_location_GnssLocationProvider_inject_location)},