Use additional proximity chars in the native code

Bug: 4343280

Change-Id: Ida690fe246cea80a82fcdb3ad0c28e2907b882ac
diff --git a/native/src/proximity_info.h b/native/src/proximity_info.h
index bfcef63..8c342e0 100644
--- a/native/src/proximity_info.h
+++ b/native/src/proximity_info.h
@@ -104,6 +104,7 @@
     const int CELL_HEIGHT;
     const int KEY_COUNT;
     const bool HAS_TOUCH_POSITION_CORRECTION_DATA;
+    const std::string mLocaleStr;
     const int *mInputCodes;
     const int *mInputXCoordinates;
     const int *mInputYCoordinates;