Fixing time delay on launch on flag change.

Instead of passing UserManagerState, UserIdManager, and ConfigStore
objects in the constructor, we are directly accessing these by calling
the static getter functions defined in DocumentsApplications class. This
removes the need for reconstructing the ProvidersCache on flag change.

Bug: 327306483
Test: N/A
Change-Id: I62913f8aa90c36155f7b772a353f89f6e41718de
2 files changed