Set FaceDownDetector disable-able by user

- Call straight into FaceDownDetector to en/disable

Bug: 329371579
Test: adb shell dumpsys power | grep mEnabledOverride
Test: adb shell cmd power set-face-down-detector false
Change-Id: I446ec423ff7434f79c72c0b3cbabf3f34501dc02
2 files changed