Replace stubs with library references

Also, fix error where SoftwareBitmapDetector reported wrong location,
causing test failures due to "Incident (message, location) reported more
than once; this typically means that your detector is incorrectly
reaching the same element twice" on "line=-1"

Test: SystemUILintCheckerTest
Bug: 238923086
Change-Id: If60ebb0bb894710f46d9458d818be3c5b273bc35