Allow UiMode adb shell command to override night mode custom type.

Add night mode custom type information in UiMode dumpsys.

Bug: 220827627
Test: adb shell cmd uimode night custom_bedtime;
adb shell cmd uimode night auto; adb shell cmd uimode night
Change-Id: I15bfa9854b2a8a1cf9225334f851aa295e4413b9