Move the somewhat expensive calculation of the "Unused apps" count to
the background thread
Initially, the "Unused apps" preference is unavailable. When the bg work
finishes and we see we have a non-zero number of unused apps, we display
the preference and update the summary text.
Bug: 187996287
Test: atest HibernatedAppsPreferenceControllerTest
Test: measure latency of displaying preferences w/ custom trace points
Change-Id: Idb0d836fd8f4bcdd2605a7d59703a7ed53bcd6d4
Add tests for getNumHibernated in HibernatedAppsPreferenceController
based off the major use cases.
Bug: 187745929
Test: atest HibernatedAppsPreferenceControllerTest
Change-Id: I7bee75075f12fc1661f1b12da82e6ccb16eaa06d
Update the summary of "unused apps" based on how many apps are
hibernated or auto revoked.
Test: HibernatedAppsPreferenceControllerTest
Bug: 181172051
Change-Id: I274eb3c0ada3d063937368232f31e52c20287552
Created an preference in Apps & Notifcations page as the entry point for
apps that are hibernated. Also added a switch preference in AppInfo page
for users to exempt an app from hibernation.
Bug: 181172051
Test: HibernatedAppsPreferenceControllerTest;
HibernationSwitchPreferenceControllerTest;
AppInfoDashboardFragmentTest
Change-Id: I72a90ab391cd521150fc155a6d9c67c846b7360d
