tree d5e0d167d558f1ccc1e30ca30195a85d0f0dd2e5
parent 1e2e150cb1f3562e969fecdb4cf20188bfef79ed
author Varun Shah <varunshah@google.com> 1724969986 +0000
committer Varun Shah <varunshah@google.com> 1725475793 +0000

Add caching to AM.getCurrentUserId().

The current foreground user doesn't change outside of a user
switch, which is a rare event on most user devices. Add a
IpcDataCache to AM.getCurrentUserId() in order to avoid
unncessary binder spam.

Flag: backstage_power/android.app.cache_get_current_user_id
Bug: 361853873
Test: atest UserControllerTest
Test: atest UserManagerTest
Test: atest ActivityManagerTest
Test: manually check logs for cache hits/misses
Change-Id: I94540ad4c76bcc62944ad8e19f0e9d6c2154b010