Refined previous change to address comments

Will handle times like 10:00AM, 10:00 AM and 10:00.

Based on this thread: https://www.reddit.com/r/cn1/comments/y6bdhq/date_time_formatting/

CodenameOne/src/com/codename1/l10n/L10NManager.java

@@ -213,7 +213,13 @@ public String formatDateTimeMedium(Date d) {
      */
     public String formatTime(Date d) {
         String s = formatDateTimeMedium(d);
-        s = s.substring(s.lastIndexOf(" ") + 1);
+        int pos = s.lastIndexOf(" ");
+
+        // this can be just the AM or PM
+        if(s.length() - pos < 4) {
+            pos = s.lastIndexOf(" ", pos - 1);
+        }
+        s = s.substring(pos + 1);
         return s;
     }