Add new method refreshSummary(Preference)

Refactor code which update summary in updateState,
Move them into new method refreshSummary.

Fixes: 67997698
Fixes: 67997726
Test: make RunSettingsLibRoboTests
Change-Id: Icbcedcd08efa2103042ba40a756e8d4b615e1352
Merged-In: Icbcedcd08efa2103042ba40a756e8d4b615e1352
1 file changed