[orca] Don't generate speech for new row header when reading the full row

[Joanmarie Diggs <joanied src gnome org>]

commit 3f25a8333e297f6d5c0df89e972ec241c5ba5d0b
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue May 26 19:40:20 2020 -0400

    Don't generate speech for new row header when reading the full row
    
    We'll already be presenting it as its own cell.

 src/orca/speech_generator.py | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/orca/speech_generator.py b/src/orca/speech_generator.py
index 26ca3d225..8a635ef69 100644
--- a/src/orca/speech_generator.py
+++ b/src/orca/speech_generator.py
@@ -999,6 +999,9 @@ class SpeechGenerator(generator.Generator):
         if not self._script.utilities.cellRowChanged(obj):
             return []
 
+        if args.get('readingRow'):
+            return []
+
         if args.get('inMouseReview') and args.get('priorObj'):
             thisrow, thiscol = self._script.utilities.coordinatesForCell(obj)
             lastrow, lastcol = self._script.utilities.coordinatesForCell(args.get('priorObj'))