Camera: Remove GPS_LOCATION if set is called with null

Per CaptureRequest documentation, if CaptureRequest.set(GPS_LOCATION)
is called with null, the corresponding entries in the CameraMetata
should be cleared.

Make the logic so.

Test: Camera CTS
Bug: 268581420
Change-Id: Ib7801e14237e4500a7a9d5c00b2f15c35d482798

core/java/android/hardware/camera2/impl/CameraMetadataNative.java

@@ -1132,6 +1132,12 @@ public class CameraMetadataNative implements Parcelable {
 
     private boolean setGpsLocation(Location l) {
         if (l == null) {
+            // If Location value being set is null, remove corresponding keys.
+            // This is safe because api1/client2/CameraParameters.cpp already erases
+            // the keys for JPEG_GPS_LOCATION for certain cases.
+            setBase(CaptureRequest.JPEG_GPS_TIMESTAMP, null);
+            setBase(CaptureRequest.JPEG_GPS_COORDINATES, null);
+            setBase(CaptureRequest.JPEG_GPS_PROCESSING_METHOD, null);
             return false;
         }