Add new build flag to define profile artifact name to be used in SystemUI.

Build flag has a string value that contains the file name of the baseline profile that would be used in trunk_staging, trunk_food and next_food release configs.

Bug: 423915874
Flag: build.RELEASE_SYSTEMUI_BASELINE_PROFILE_ARTIFACT
Test: mp droid completed successfully

Change-Id: I5c483b3542a21fd50fa82d93b05fd7a700232870
1 file changed