Revert^2 "Add GnssAntennaInfo to HAL"

ce414351c5d42f5084ff7015b255587b3c384fca

Change-Id: I791dcf8c26f3ed51c07987e79752ff3ce165fcbf
diff --git a/gnss/2.1/IGnss.hal b/gnss/2.1/IGnss.hal
index ce37647..e4da507 100644
--- a/gnss/2.1/IGnss.hal
+++ b/gnss/2.1/IGnss.hal
@@ -18,10 +18,10 @@
 
 import android.hardware.gnss.measurement_corrections@1.1::IMeasurementCorrections;
 import @2.0::IGnss;
-
 import IGnssCallback;
 import IGnssMeasurement;
 import IGnssConfiguration;
+import IGnssAntennaInfo;
 
 /**
  * Represents the standard GNSS (Global Navigation Satellite System) interface.
@@ -72,5 +72,15 @@
      *
      * @return measurementCorrectionsIface Handle to the IMeasurementCorrections interface.
      */
-     getExtensionMeasurementCorrections_1_1() generates (IMeasurementCorrections measurementCorrectionsIface);
-};
\ No newline at end of file
+    getExtensionMeasurementCorrections_1_1()
+        generates (IMeasurementCorrections measurementCorrectionsIface);
+
+    /**
+     * This method returns the IGnssAntennaInfo interface.
+     *
+     * This method must return non-null.
+     *
+     * @return gnssAntennaInfoIface Handle to the IGnssAntennaInfo interface.
+     */
+    getExtensionGnssAntennaInfo() generates (IGnssAntennaInfo gnssAntennaInfoIface);
+};