Set min, max, and default RBC strength values

Test: Manual testing, adb shell commands
atest FrameworksServicesTests:ReduceBrightColorsTintControllerTest
and atest FrameworksServicesTests:ColorDisplayServiceTest
Bug: 179805222
Change-Id: I4b182d9f46c42fc18594519200443e9fce8d5469
2 files changed