Release 0.16.3

[forrestguice]

• enhances the quick settings tiles to support displaying their dialogs over the lock screen.
• improves the appearance of the quick settings tile dialogs (replaces AlertDialog).
• fixes app crash when configuring quick settings tiles.
• fixes bug where quick settings tiles use the wrong default values.
• adds a "restore defaults" action to the widget configuration activity.
• enhances "bedtime mode" to support Direct Boot; responds to LOCKED_BOOT_COMPLETED to restore bedtime state after a reboot.
• adds "DND rules" option to "bedtime mode"; this advanced option allows choosing between using automatic DND rules, or overriding DND directly (DND #818).
• fixes the bedtime notification tap action; tapping the notification opens the bedtime activity.
• revises the notification text displayed when the alarm foreground service does periodic work.
• fixes bug where battery optimization warning is displayed on devices without power management (Android TV).
• fixes miscellaneous bugs in the color picker; cropped text on smaller screens; state lost when changing orientation; edit/delete buttons mistakenly enabled for default items; empty/invisible list items.
• drops support for overriding the app theme using widget themes (this functionality is replaced by the "custom colors" UI).
• updates translations to Simplified Chinese (zh_CN) and Traditional Chinese (zh_TW) (Chinese Translations updates #839 by James Liu).