Update getOrCreateUserState to update if needed

Update the method getOrCreateUserStatedLocked to also have the option to
update the UserState when fetching an existing UserState. This will avoid
redundant calls to readInstalledPrintServicesLocked,
readDisabledPrintServicesLocked, and readDisabledPrintServicesLocked
when updateIfNeeded was called right after receiving the UserState
object.

Bug: 210740189
Test: atest FrameworksCoreTests
Change-Id: Iaf28eda3530dfddbbe870219a7f17dab113ba3d0