When the user adds a DPM, Settings removes all display
timeout options with t > maxTimeout. It was incorrectly
setting the preference to maxTimeout.
The corrected code picks the user's preference if less
than maxTimeout or nothing otherwise.
Change-Id: I5a47fdce89f4cf216fd76bb585c3c0120b39db92
This fix removes unusable display timeouts from Settings when
a device policy is enabled.
Patch 3 catches the case where not having any active policies clears the list.
Change-Id: I5b08d420c73b1c2e6fe2bb4e65656790290574cd
Bug:2362077 Bug:2312836 Bug:2166486
Split Sound and Display into separate top-level settings.
All volume settings (including Alarm volume) now in one Volume dialog.
Remove some sub-texts to reduce clutter.
