Tweak oom adjust score for UI jobs.

Tweak user-initiated job oom adjust score so they run at 201 (slightly
worse than FGS, but better than expedited jobs).

Bug: 261999509
Test: atest CtsJobSchedulerTestCases:ExpeditedJobTest
Test: atest CtsJobSchedulerTestCases:UserInitiatedJobTest
Test: atest FrameworksMockingServicesTests:MockingOomAdjusterTests
Change-Id: I952be7bc376bbb12f24b32235d922c29298e5cfb