This change ensures that the updateUiControls() (and validate()
transitively) is called whenever the IPsec identifier is updated.
Bug: 152811464
Test: Manual testing with settings UI
Change-Id: I6536652a60244c3fde3f65211f9d0709145c6cd9
Merged-In: I6536652a60244c3fde3f65211f9d0709145c6cd9
(cherry picked from commit e56ae928c3)