UiFrameworkConstants.GP_FORMATTER_TIME_FORMAT has no pending GP defined in config.xml

UiFrameworkConstants.GP_FORMATTER_TIME_FORMAT refers to a GP that is not defined in config.xml, unlike all other such constants in UiFrameworkConstants.

Furthermore two GPs that are defined in config.xml don't have their names exposed through UiFrameworkConstants:

• "uiframework.formatter.JSdateFormat"
• "uiframework.formatter.JSdateAndTimeFormat".